39913218

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{31231}}^1$

素因数の和:31310

約数の個数: 24

約数和(自身を含む): 87699456

約数和(自身を除く): 47786238

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 31231, 62462, 93693, 187386, 281079, 562158, 2217401, 4434802, 6652203, 13304406, 19956609, 39913218]

約数ペア:

[(1, 39913218), (2, 19956609), (3, 13304406), (6, 6652203), (9, 4434802), (18, 2217401), (71, 562158), (142, 281079), (213, 187386), (426, 93693), (639, 62462), (1278, 31231)]