646316272

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 1571328000

約数和(自身を除く): 925011728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 49, 56, 58, 62, 98, 112, 116, 124, 131, 196, 203, 217, 232, 248, 262, 343, 392, 406, 434, 464, 496, 524, 686, 784, 812, 868, 899, 917, 1048, 1372, 1421, 1519, 1624, 1736, 1798, 1834, 2096, 2744, 2842, 3038, 3248, 3472, 3596, 3668, 3799, 4061, 5488, 5684, 6076, 6293, 6419, 7192, 7336, 7598, 8122, 9947, 10633, 11368, 12152, 12586, 12838, 14384, 14672, 15196, 16244, 19894, 21266, 22736, 24304, 25172, 25676, 26593, 28427, 30392, 32488, 39788, 42532, 44051, 44933, 50344, 51352, 53186, 56854, 60784, 64976, 79576, 85064, 88102, 89866, 100688, 102704, 106372, 113708, 117769, 159152, 170128, 176204, 179732, 186151, 198989, 212744, 227416, 235538, 308357, 352408, 359464, 372302, 397978, 425488, 454832, 471076, 616714, 704816, 718928, 744604, 795956, 824383, 942152, 1233428, 1303057, 1392923, 1489208, 1591912, 1648766, 1884304, 2466856, 2606114, 2785846, 2978416, 3183824, 3297532, 4933712, 5212228, 5571692, 5770681, 6595064, 10424456, 11143384, 11541362, 13190128, 20848912, 22286768, 23082724, 40394767, 46165448, 80789534, 92330896, 161579068, 323158136, 646316272]

約数ペア:

[(1, 646316272), (2, 323158136), (4, 161579068), (7, 92330896), (8, 80789534), (14, 46165448), (16, 40394767), (28, 23082724), (29, 22286768), (31, 20848912), (49, 13190128), (56, 11541362), (58, 11143384), (62, 10424456), (98, 6595064), (112, 5770681), (116, 5571692), (124, 5212228), (131, 4933712), (196, 3297532), (203, 3183824), (217, 2978416), (232, 2785846), (248, 2606114), (262, 2466856), (343, 1884304), (392, 1648766), (406, 1591912), (434, 1489208), (464, 1392923), (496, 1303057), (524, 1233428), (686, 942152), (784, 824383), (812, 795956), (868, 744604), (899, 718928), (917, 704816), (1048, 616714), (1372, 471076), (1421, 454832), (1519, 425488), (1624, 397978), (1736, 372302), (1798, 359464), (1834, 352408), (2096, 308357), (2744, 235538), (2842, 227416), (3038, 212744), (3248, 198989), (3472, 186151), (3596, 179732), (3668, 176204), (3799, 170128), (4061, 159152), (5488, 117769), (5684, 113708), (6076, 106372), (6293, 102704), (6419, 100688), (7192, 89866), (7336, 88102), (7598, 85064), (8122, 79576), (9947, 64976), (10633, 60784), (11368, 56854), (12152, 53186), (12586, 51352), (12838, 50344), (14384, 44933), (14672, 44051), (15196, 42532), (16244, 39788), (19894, 32488), (21266, 30392), (22736, 28427), (24304, 26593), (25172, 25676)]