7745790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19861}}^1$

素因数の和:19884

約数の個数: 32

約数和(自身を含む): 20020896

約数和(自身を除く): 12275106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19861, 39722, 59583, 99305, 119166, 198610, 258193, 297915, 516386, 595830, 774579, 1290965, 1549158, 2581930, 3872895, 7745790]

約数ペア:

[(1, 7745790), (2, 3872895), (3, 2581930), (5, 1549158), (6, 1290965), (10, 774579), (13, 595830), (15, 516386), (26, 297915), (30, 258193), (39, 198610), (65, 119166), (78, 99305), (130, 59583), (195, 39722), (390, 19861)]