13281970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1530

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 12845390

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1439, 1846, 2878, 4615, 7195, 9230, 14390, 18707, 37414, 93535, 102169, 187070, 204338, 510845, 1021690, 1328197, 2656394, 6640985, 13281970]

約数ペア:

[(1, 13281970), (2, 6640985), (5, 2656394), (10, 1328197), (13, 1021690), (26, 510845), (65, 204338), (71, 187070), (130, 102169), (142, 93535), (355, 37414), (710, 18707), (923, 14390), (1439, 9230), (1846, 7195), (2878, 4615)]