254901666136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{397}}^2\times {\mathrm{15551}}^1$

素因数の和:16364

約数の個数: 48

約数和(自身を含む): 516038221440

約数和(自身を除く): 261136555304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 397, 794, 1588, 3176, 5161, 10322, 15551, 20644, 31102, 41288, 62204, 124408, 157609, 202163, 315218, 404326, 630436, 808652, 1260872, 1617304, 2048917, 4097834, 6173747, 8195668, 12347494, 16391336, 24694988, 49389976, 80258711, 160517422, 321034844, 642069688, 2450977559, 4901955118, 9803910236, 19607820472, 31862708267, 63725416534, 127450833068, 254901666136]

約数ペア:

[(1, 254901666136), (2, 127450833068), (4, 63725416534), (8, 31862708267), (13, 19607820472), (26, 9803910236), (52, 4901955118), (104, 2450977559), (397, 642069688), (794, 321034844), (1588, 160517422), (3176, 80258711), (5161, 49389976), (10322, 24694988), (15551, 16391336), (20644, 12347494), (31102, 8195668), (41288, 6173747), (62204, 4097834), (124408, 2048917), (157609, 1617304), (202163, 1260872), (315218, 808652), (404326, 630436)]