1628500432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{252559}}^1$

素因数の和:252611

約数の個数: 40

約数和(自身を含む): 3507553280

約数和(自身を除く): 1879052848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 252559, 505118, 1010236, 2020472, 3283267, 4040944, 6566534, 7829329, 13133068, 15658658, 26266136, 31317316, 52532272, 62634632, 101781277, 125269264, 203562554, 407125108, 814250216, 1628500432]

約数ペア:

[(1, 1628500432), (2, 814250216), (4, 407125108), (8, 203562554), (13, 125269264), (16, 101781277), (26, 62634632), (31, 52532272), (52, 31317316), (62, 26266136), (104, 15658658), (124, 13133068), (208, 7829329), (248, 6566534), (403, 4040944), (496, 3283267), (806, 2020472), (1612, 1010236), (3224, 505118), (6448, 252559)]