81670212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1733

約数の個数: 72

約数和(自身を含む): 224504280

約数和(自身を除く): 142834068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 327, 436, 468, 654, 981, 1308, 1417, 1601, 1962, 2834, 3202, 3924, 4251, 4803, 5668, 6404, 8502, 9606, 12753, 14409, 17004, 19212, 20813, 25506, 28818, 41626, 51012, 57636, 62439, 83252, 124878, 174509, 187317, 249756, 349018, 374634, 523527, 698036, 749268, 1047054, 1570581, 2094108, 2268617, 3141162, 4537234, 6282324, 6805851, 9074468, 13611702, 20417553, 27223404, 40835106, 81670212]

約数ペア:

[(1, 81670212), (2, 40835106), (3, 27223404), (4, 20417553), (6, 13611702), (9, 9074468), (12, 6805851), (13, 6282324), (18, 4537234), (26, 3141162), (36, 2268617), (39, 2094108), (52, 1570581), (78, 1047054), (109, 749268), (117, 698036), (156, 523527), (218, 374634), (234, 349018), (327, 249756), (436, 187317), (468, 174509), (654, 124878), (981, 83252), (1308, 62439), (1417, 57636), (1601, 51012), (1962, 41626), (2834, 28818), (3202, 25506), (3924, 20813), (4251, 19212), (4803, 17004), (5668, 14409), (6404, 12753), (8502, 9606)]