640969236

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{434261}}^1$

素因数の和:434312

約数の個数: 36

約数和(自身を含む): 1659749364

約数和(自身を除く): 1018780128

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 434261, 868522, 1302783, 1737044, 2605566, 3908349, 5211132, 7816698, 15633396, 17804701, 35609402, 53414103, 71218804, 106828206, 160242309, 213656412, 320484618, 640969236]

約数ペア:

[(1, 640969236), (2, 320484618), (3, 213656412), (4, 160242309), (6, 106828206), (9, 71218804), (12, 53414103), (18, 35609402), (36, 17804701), (41, 15633396), (82, 7816698), (123, 5211132), (164, 3908349), (246, 2605566), (369, 1737044), (492, 1302783), (738, 868522), (1476, 434261)]