261795768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6607}}^1$

素因数の和:6756

約数の個数: 64

約数和(自身を含む): 710492160

約数和(自身を除く): 448696392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 254, 312, 381, 508, 762, 1016, 1524, 1651, 3048, 3302, 4953, 6604, 6607, 9906, 13208, 13214, 19812, 19821, 26428, 39624, 39642, 52856, 79284, 85891, 158568, 171782, 257673, 343564, 515346, 687128, 839089, 1030692, 1678178, 2061384, 2517267, 3356356, 5034534, 6712712, 10069068, 10908157, 20138136, 21816314, 32724471, 43632628, 65448942, 87265256, 130897884, 261795768]

約数ペア:

[(1, 261795768), (2, 130897884), (3, 87265256), (4, 65448942), (6, 43632628), (8, 32724471), (12, 21816314), (13, 20138136), (24, 10908157), (26, 10069068), (39, 6712712), (52, 5034534), (78, 3356356), (104, 2517267), (127, 2061384), (156, 1678178), (254, 1030692), (312, 839089), (381, 687128), (508, 515346), (762, 343564), (1016, 257673), (1524, 171782), (1651, 158568), (3048, 85891), (3302, 79284), (4953, 52856), (6604, 39642), (6607, 39624), (9906, 26428), (13208, 19821), (13214, 19812)]