664872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 1790880

約数和(自身を除く): 1126008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 2131, 4262, 6393, 8524, 12786, 17048, 25572, 27703, 51144, 55406, 83109, 110812, 166218, 221624, 332436, 664872]

約数ペア:

[(1, 664872), (2, 332436), (3, 221624), (4, 166218), (6, 110812), (8, 83109), (12, 55406), (13, 51144), (24, 27703), (26, 25572), (39, 17048), (52, 12786), (78, 8524), (104, 6393), (156, 4262), (312, 2131)]