8641808

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 20951040

約数和(自身を除く): 12309232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 131, 133, 152, 217, 248, 262, 266, 304, 434, 496, 524, 532, 589, 868, 917, 1048, 1064, 1178, 1736, 1834, 2096, 2128, 2356, 2489, 3472, 3668, 4061, 4123, 4712, 4978, 7336, 8122, 8246, 9424, 9956, 14672, 16244, 16492, 17423, 19912, 28427, 32488, 32984, 34846, 39824, 56854, 64976, 65968, 69692, 77159, 113708, 139384, 154318, 227416, 278768, 308636, 454832, 540113, 617272, 1080226, 1234544, 2160452, 4320904, 8641808]

約数ペア:

[(1, 8641808), (2, 4320904), (4, 2160452), (7, 1234544), (8, 1080226), (14, 617272), (16, 540113), (19, 454832), (28, 308636), (31, 278768), (38, 227416), (56, 154318), (62, 139384), (76, 113708), (112, 77159), (124, 69692), (131, 65968), (133, 64976), (152, 56854), (217, 39824), (248, 34846), (262, 32984), (266, 32488), (304, 28427), (434, 19912), (496, 17423), (524, 16492), (532, 16244), (589, 14672), (868, 9956), (917, 9424), (1048, 8246), (1064, 8122), (1178, 7336), (1736, 4978), (1834, 4712), (2096, 4123), (2128, 4061), (2356, 3668), (2489, 3472)]