201983860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776861}}^1$

素因数の和:776883

約数の個数: 24

約数和(自身を含む): 456794856

約数和(自身を除く): 254810996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776861, 1553722, 3107444, 3884305, 7768610, 10099193, 15537220, 20198386, 40396772, 50495965, 100991930, 201983860]

約数ペア:

[(1, 201983860), (2, 100991930), (4, 50495965), (5, 40396772), (10, 20198386), (13, 15537220), (20, 10099193), (26, 7768610), (52, 3884305), (65, 3107444), (130, 1553722), (260, 776861)]