1640513276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{222533}}^1$

素因数の和:222653

約数の個数: 24

約数和(自身を含む): 3053166480

約数和(自身を除く): 1412653204

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 3686, 7372, 222533, 445066, 890132, 4228127, 8456254, 16912508, 21585701, 43171402, 86342804, 410128319, 820256638, 1640513276]

約数ペア:

[(1, 1640513276), (2, 820256638), (4, 410128319), (19, 86342804), (38, 43171402), (76, 21585701), (97, 16912508), (194, 8456254), (388, 4228127), (1843, 890132), (3686, 445066), (7372, 222533)]