1405286792

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{853}}^1$

素因数の和:983

約数の個数: 128

約数和(自身を含む): 3397416960

約数和(自身を除く): 1992130168

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 73, 91, 104, 124, 146, 182, 217, 248, 292, 364, 403, 434, 511, 584, 728, 806, 853, 868, 949, 1022, 1612, 1706, 1736, 1898, 2044, 2263, 2821, 3224, 3412, 3796, 4088, 4526, 5642, 5971, 6643, 6824, 7592, 9052, 11089, 11284, 11942, 13286, 15841, 18104, 22178, 22568, 23884, 26443, 26572, 29419, 31682, 44356, 47768, 52886, 53144, 58838, 62269, 63364, 77623, 88712, 105772, 117676, 124538, 126728, 155246, 185101, 205933, 211544, 235352, 249076, 310492, 343759, 370202, 411866, 435883, 498152, 620984, 687518, 740404, 809497, 823732, 871766, 1375036, 1480808, 1618994, 1647464, 1743532, 1930339, 2406313, 2750072, 3237988, 3487064, 3860678, 4812626, 5666479, 6475976, 7721356, 9625252, 11332958, 13512373, 15442712, 19250504, 22665916, 25094407, 27024746, 45331832, 50188814, 54049492, 100377628, 108098984, 175660849, 200755256, 351321698, 702643396, 1405286792]

約数ペア:

[(1, 1405286792), (2, 702643396), (4, 351321698), (7, 200755256), (8, 175660849), (13, 108098984), (14, 100377628), (26, 54049492), (28, 50188814), (31, 45331832), (52, 27024746), (56, 25094407), (62, 22665916), (73, 19250504), (91, 15442712), (104, 13512373), (124, 11332958), (146, 9625252), (182, 7721356), (217, 6475976), (248, 5666479), (292, 4812626), (364, 3860678), (403, 3487064), (434, 3237988), (511, 2750072), (584, 2406313), (728, 1930339), (806, 1743532), (853, 1647464), (868, 1618994), (949, 1480808), (1022, 1375036), (1612, 871766), (1706, 823732), (1736, 809497), (1898, 740404), (2044, 687518), (2263, 620984), (2821, 498152), (3224, 435883), (3412, 411866), (3796, 370202), (4088, 343759), (4526, 310492), (5642, 249076), (5971, 235352), (6643, 211544), (6824, 205933), (7592, 185101), (9052, 155246), (11089, 126728), (11284, 124538), (11942, 117676), (13286, 105772), (15841, 88712), (18104, 77623), (22178, 63364), (22568, 62269), (23884, 58838), (26443, 53144), (26572, 52886), (29419, 47768), (31682, 44356)]