161581368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13997}}^1$

素因数の和:14056

約数の個数: 64

約数和(自身を含む): 446816160

約数和(自身を除く): 285234792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1924, 2886, 3848, 5772, 11544, 13997, 27994, 41991, 55988, 83982, 111976, 167964, 181961, 335928, 363922, 517889, 545883, 727844, 1035778, 1091766, 1455688, 1553667, 2071556, 2183532, 3107334, 4143112, 4367064, 6214668, 6732557, 12429336, 13465114, 20197671, 26930228, 40395342, 53860456, 80790684, 161581368]

約数ペア:

[(1, 161581368), (2, 80790684), (3, 53860456), (4, 40395342), (6, 26930228), (8, 20197671), (12, 13465114), (13, 12429336), (24, 6732557), (26, 6214668), (37, 4367064), (39, 4143112), (52, 3107334), (74, 2183532), (78, 2071556), (104, 1553667), (111, 1455688), (148, 1091766), (156, 1035778), (222, 727844), (296, 545883), (312, 517889), (444, 363922), (481, 335928), (888, 181961), (962, 167964), (1443, 111976), (1924, 83982), (2886, 55988), (3848, 41991), (5772, 27994), (11544, 13997)]