281791926

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 730329600

約数和(自身を除く): 448537674

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 37, 38, 39, 54, 57, 74, 78, 111, 114, 117, 171, 222, 234, 247, 333, 342, 351, 481, 494, 513, 571, 666, 702, 703, 741, 962, 999, 1026, 1142, 1406, 1443, 1482, 1713, 1998, 2109, 2223, 2886, 3426, 4218, 4329, 4446, 5139, 6327, 6669, 7423, 8658, 9139, 10278, 10849, 12654, 12987, 13338, 14846, 15417, 18278, 18981, 21127, 21698, 22269, 25974, 27417, 30834, 32547, 37962, 42254, 44538, 54834, 63381, 65094, 66807, 82251, 97641, 126762, 133614, 141037, 164502, 190143, 195282, 200421, 246753, 274651, 282074, 292923, 380286, 400842, 401413, 423111, 493506, 549302, 570429, 585846, 802826, 823953, 846222, 1140858, 1204239, 1269333, 1647906, 2408478, 2471859, 2538666, 3612717, 3807999, 4943718, 5218369, 7225434, 7415577, 7615998, 10436738, 10838151, 14831154, 15655107, 21676302, 31310214, 46965321, 93930642, 140895963, 281791926]

約数ペア:

[(1, 281791926), (2, 140895963), (3, 93930642), (6, 46965321), (9, 31310214), (13, 21676302), (18, 15655107), (19, 14831154), (26, 10838151), (27, 10436738), (37, 7615998), (38, 7415577), (39, 7225434), (54, 5218369), (57, 4943718), (74, 3807999), (78, 3612717), (111, 2538666), (114, 2471859), (117, 2408478), (171, 1647906), (222, 1269333), (234, 1204239), (247, 1140858), (333, 846222), (342, 823953), (351, 802826), (481, 585846), (494, 570429), (513, 549302), (571, 493506), (666, 423111), (702, 401413), (703, 400842), (741, 380286), (962, 292923), (999, 282074), (1026, 274651), (1142, 246753), (1406, 200421), (1443, 195282), (1482, 190143), (1713, 164502), (1998, 141037), (2109, 133614), (2223, 126762), (2886, 97641), (3426, 82251), (4218, 66807), (4329, 65094), (4446, 63381), (5139, 54834), (6327, 44538), (6669, 42254), (7423, 37962), (8658, 32547), (9139, 30834), (10278, 27417), (10849, 25974), (12654, 22269), (12987, 21698), (13338, 21127), (14846, 18981), (15417, 18278)]