291201690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{746671}}^1$

素因数の和:746694

約数の個数: 32

約数和(自身を含む): 752645376

約数和(自身を除く): 461443686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 746671, 1493342, 2240013, 3733355, 4480026, 7466710, 9706723, 11200065, 19413446, 22400130, 29120169, 48533615, 58240338, 97067230, 145600845, 291201690]

約数ペア:

[(1, 291201690), (2, 145600845), (3, 97067230), (5, 58240338), (6, 48533615), (10, 29120169), (13, 22400130), (15, 19413446), (26, 11200065), (30, 9706723), (39, 7466710), (65, 4480026), (78, 3733355), (130, 2240013), (195, 1493342), (390, 746671)]