821620528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{4441}}^1$

素因数の和:4853

約数の個数: 40

約数和(自身を含む): 1648017536

約数和(自身を除く): 826397008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 373, 496, 746, 1492, 2984, 4441, 5968, 8882, 11563, 17764, 23126, 35528, 46252, 71056, 92504, 137671, 185008, 275342, 550684, 1101368, 1656493, 2202736, 3312986, 6625972, 13251944, 26503888, 51351283, 102702566, 205405132, 410810264, 821620528]

約数ペア:

[(1, 821620528), (2, 410810264), (4, 205405132), (8, 102702566), (16, 51351283), (31, 26503888), (62, 13251944), (124, 6625972), (248, 3312986), (373, 2202736), (496, 1656493), (746, 1101368), (1492, 550684), (2984, 275342), (4441, 185008), (5968, 137671), (8882, 92504), (11563, 71056), (17764, 46252), (23126, 35528)]