90815790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{232861}}^1$

素因数の和:232884

約数の個数: 32

約数和(自身を含む): 234724896

約数和(自身を除く): 143909106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 232861, 465722, 698583, 1164305, 1397166, 2328610, 3027193, 3492915, 6054386, 6985830, 9081579, 15135965, 18163158, 30271930, 45407895, 90815790]

約数ペア:

[(1, 90815790), (2, 45407895), (3, 30271930), (5, 18163158), (6, 15135965), (10, 9081579), (13, 6985830), (15, 6054386), (26, 3492915), (30, 3027193), (39, 2328610), (65, 1397166), (78, 1164305), (130, 698583), (195, 465722), (390, 232861)]