644152554530

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{209821679}}^1$

素因数の和:209821993

約数の個数: 16

約数和(自身を含む): 1163251393920

約数和(自身を除く): 519098839390

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 209821679, 419643358, 1049108395, 2098216790, 64415255453, 128830510906, 322076277265, 644152554530]

約数ペア:

[(1, 644152554530), (2, 322076277265), (5, 128830510906), (10, 64415255453), (307, 2098216790), (614, 1049108395), (1535, 419643358), (3070, 209821679)]