1388486528

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2516

約数の個数: 128

約数和(自身を含む): 3355914240

約数和(自身を除く): 1967427712

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 128, 143, 176, 208, 248, 286, 341, 352, 403, 416, 496, 572, 682, 704, 806, 832, 992, 1144, 1364, 1408, 1612, 1664, 1984, 2288, 2447, 2728, 3224, 3968, 4433, 4576, 4894, 5456, 6448, 8866, 9152, 9788, 10912, 12896, 17732, 18304, 19576, 21824, 25792, 26917, 31811, 35464, 39152, 43648, 51584, 53834, 63622, 70928, 75857, 78304, 107668, 127244, 141856, 151714, 156608, 215336, 254488, 283712, 303428, 313216, 349921, 430672, 508976, 567424, 606856, 699842, 834427, 861344, 986141, 1017952, 1213712, 1399684, 1668854, 1722688, 1972282, 2035904, 2427424, 2799368, 3337708, 3445376, 3944564, 4071808, 4854848, 5598736, 6675416, 7889128, 9709696, 10847551, 11197472, 13350832, 15778256, 21695102, 22394944, 26701664, 31556512, 43390204, 44789888, 53403328, 63113024, 86780408, 106806656, 126226048, 173560816, 347121632, 694243264, 1388486528]

約数ペア:

[(1, 1388486528), (2, 694243264), (4, 347121632), (8, 173560816), (11, 126226048), (13, 106806656), (16, 86780408), (22, 63113024), (26, 53403328), (31, 44789888), (32, 43390204), (44, 31556512), (52, 26701664), (62, 22394944), (64, 21695102), (88, 15778256), (104, 13350832), (124, 11197472), (128, 10847551), (143, 9709696), (176, 7889128), (208, 6675416), (248, 5598736), (286, 4854848), (341, 4071808), (352, 3944564), (403, 3445376), (416, 3337708), (496, 2799368), (572, 2427424), (682, 2035904), (704, 1972282), (806, 1722688), (832, 1668854), (992, 1399684), (1144, 1213712), (1364, 1017952), (1408, 986141), (1612, 861344), (1664, 834427), (1984, 699842), (2288, 606856), (2447, 567424), (2728, 508976), (3224, 430672), (3968, 349921), (4433, 313216), (4576, 303428), (4894, 283712), (5456, 254488), (6448, 215336), (8866, 156608), (9152, 151714), (9788, 141856), (10912, 127244), (12896, 107668), (17732, 78304), (18304, 75857), (19576, 70928), (21824, 63622), (25792, 53834), (26917, 51584), (31811, 43648), (35464, 39152)]