7711990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5393}}^1$

素因数の和:5424

約数の個数: 32

約数和(自身を含む): 16311456

約数和(自身を除く): 8599466

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 5393, 10786, 26965, 53930, 59323, 70109, 118646, 140218, 296615, 350545, 593230, 701090, 771199, 1542398, 3855995, 7711990]

約数ペア:

[(1, 7711990), (2, 3855995), (5, 1542398), (10, 771199), (11, 701090), (13, 593230), (22, 350545), (26, 296615), (55, 140218), (65, 118646), (110, 70109), (130, 59323), (143, 53930), (286, 26965), (715, 10786), (1430, 5393)]