81509968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7309}}^1$

素因数の和:7375

約数の個数: 40

約数和(自身を含む): 171317160

約数和(自身を除く): 89807192

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 7309, 11152, 14618, 29236, 58472, 116944, 124253, 248506, 299669, 497012, 599338, 994024, 1198676, 1988048, 2397352, 4794704, 5094373, 10188746, 20377492, 40754984, 81509968]

約数ペア:

[(1, 81509968), (2, 40754984), (4, 20377492), (8, 10188746), (16, 5094373), (17, 4794704), (34, 2397352), (41, 1988048), (68, 1198676), (82, 994024), (136, 599338), (164, 497012), (272, 299669), (328, 248506), (656, 124253), (697, 116944), (1394, 58472), (2788, 29236), (5576, 14618), (7309, 11152)]