947785678

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1\times {\mathrm{1721}}^1$

素因数の和:2152

約数の個数: 32

約数和(自身を含む): 1643201280

約数和(自身を除く): 695415602

約数列:

[1, 2, 7, 14, 139, 278, 283, 566, 973, 1721, 1946, 1981, 3442, 3962, 12047, 24094, 39337, 78674, 239219, 275359, 478438, 487043, 550718, 974086, 1674533, 3349066, 3409301, 6818602, 67698977, 135397954, 473892839, 947785678]

約数ペア:

[(1, 947785678), (2, 473892839), (7, 135397954), (14, 67698977), (139, 6818602), (278, 3409301), (283, 3349066), (566, 1674533), (973, 974086), (1721, 550718), (1946, 487043), (1981, 478438), (3442, 275359), (3962, 239219), (12047, 78674), (24094, 39337)]