205579790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22273}}^1$

素因数の和:22364

約数の個数: 32

約数和(自身を含む): 404139456

約数和(自身を除く): 198559666

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 22273, 44546, 111365, 222730, 289549, 579098, 1447745, 1581383, 2895490, 3162766, 7906915, 15813830, 20557979, 41115958, 102789895, 205579790]

約数ペア:

[(1, 205579790), (2, 102789895), (5, 41115958), (10, 20557979), (13, 15813830), (26, 7906915), (65, 3162766), (71, 2895490), (130, 1581383), (142, 1447745), (355, 579098), (710, 289549), (923, 222730), (1846, 111365), (4615, 44546), (9230, 22273)]