280337928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{898519}}^1$

素因数の和:898541

約数の個数: 32

約数和(自身を含む): 754756800

約数和(自身を除く): 474418872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 898519, 1797038, 2695557, 3594076, 5391114, 7188152, 10782228, 11680747, 21564456, 23361494, 35042241, 46722988, 70084482, 93445976, 140168964, 280337928]

約数ペア:

[(1, 280337928), (2, 140168964), (3, 93445976), (4, 70084482), (6, 46722988), (8, 35042241), (12, 23361494), (13, 21564456), (24, 11680747), (26, 10782228), (39, 7188152), (52, 5391114), (78, 3594076), (104, 2695557), (156, 1797038), (312, 898519)]