69980872

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 143354880

約数和(自身を除く): 73374008

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 191, 271, 338, 382, 542, 676, 764, 1084, 1352, 1528, 2168, 2483, 3523, 4966, 7046, 9932, 14092, 19864, 28184, 32279, 45799, 51761, 64558, 91598, 103522, 129116, 183196, 207044, 258232, 366392, 414088, 672893, 1345786, 2691572, 5383144, 8747609, 17495218, 34990436, 69980872]

約数ペア:

[(1, 69980872), (2, 34990436), (4, 17495218), (8, 8747609), (13, 5383144), (26, 2691572), (52, 1345786), (104, 672893), (169, 414088), (191, 366392), (271, 258232), (338, 207044), (382, 183196), (542, 129116), (676, 103522), (764, 91598), (1084, 64558), (1352, 51761), (1528, 45799), (2168, 32279), (2483, 28184), (3523, 19864), (4966, 14092), (7046, 9932)]