661978008

素因数分解:

$2^3\times 3^4\times {\mathrm{1021571}}^1$

素因数の和:1021589

約数の個数: 40

約数和(自身を含む): 1854153180

約数和(自身を除く): 1192175172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1021571, 2043142, 3064713, 4086284, 6129426, 8172568, 9194139, 12258852, 18388278, 24517704, 27582417, 36776556, 55164834, 73553112, 82747251, 110329668, 165494502, 220659336, 330989004, 661978008]

約数ペア:

[(1, 661978008), (2, 330989004), (3, 220659336), (4, 165494502), (6, 110329668), (8, 82747251), (9, 73553112), (12, 55164834), (18, 36776556), (24, 27582417), (27, 24517704), (36, 18388278), (54, 12258852), (72, 9194139), (81, 8172568), (108, 6129426), (162, 4086284), (216, 3064713), (324, 2043142), (648, 1021571)]