90109808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1485

約数の個数: 40

約数和(自身を含む): 181655040

約数和(自身を除く): 91545232

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 1307, 2224, 2614, 4309, 5228, 8618, 10456, 17236, 20912, 34472, 40517, 68944, 81034, 162068, 181673, 324136, 363346, 648272, 726692, 1453384, 2906768, 5631863, 11263726, 22527452, 45054904, 90109808]

約数ペア:

[(1, 90109808), (2, 45054904), (4, 22527452), (8, 11263726), (16, 5631863), (31, 2906768), (62, 1453384), (124, 726692), (139, 648272), (248, 363346), (278, 324136), (496, 181673), (556, 162068), (1112, 81034), (1307, 68944), (2224, 40517), (2614, 34472), (4309, 20912), (5228, 17236), (8618, 10456)]