139809008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1123}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 280982016

約数和(自身を除く): 141173008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 251, 496, 502, 1004, 1123, 2008, 2246, 4016, 4492, 7781, 8984, 15562, 17968, 31124, 34813, 62248, 69626, 124496, 139252, 278504, 281873, 557008, 563746, 1127492, 2254984, 4509968, 8738063, 17476126, 34952252, 69904504, 139809008]

約数ペア:

[(1, 139809008), (2, 69904504), (4, 34952252), (8, 17476126), (16, 8738063), (31, 4509968), (62, 2254984), (124, 1127492), (248, 563746), (251, 557008), (496, 281873), (502, 278504), (1004, 139252), (1123, 124496), (2008, 69626), (2246, 62248), (4016, 34813), (4492, 31124), (7781, 17968), (8984, 15562)]