64845864

素因数分解:

$2^3\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1097}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 175998420

約数和(自身を除く): 111152556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 821, 1097, 1642, 2194, 2463, 3284, 3291, 4388, 4926, 6568, 6582, 7389, 8776, 9852, 9873, 13164, 14778, 19704, 19746, 26328, 29556, 39492, 59112, 78984, 900637, 1801274, 2701911, 3602548, 5403822, 7205096, 8105733, 10807644, 16211466, 21615288, 32422932, 64845864]

約数ペア:

[(1, 64845864), (2, 32422932), (3, 21615288), (4, 16211466), (6, 10807644), (8, 8105733), (9, 7205096), (12, 5403822), (18, 3602548), (24, 2701911), (36, 1801274), (72, 900637), (821, 78984), (1097, 59112), (1642, 39492), (2194, 29556), (2463, 26328), (3284, 19746), (3291, 19704), (4388, 14778), (4926, 13164), (6568, 9873), (6582, 9852), (7389, 8776)]