1138878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 2760576

約数和(自身を除く): 1621698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 157, 186, 234, 279, 314, 403, 471, 558, 806, 942, 1209, 1413, 2041, 2418, 2826, 3627, 4082, 4867, 6123, 7254, 9734, 12246, 14601, 18369, 29202, 36738, 43803, 63271, 87606, 126542, 189813, 379626, 569439, 1138878]

約数ペア:

[(1, 1138878), (2, 569439), (3, 379626), (6, 189813), (9, 126542), (13, 87606), (18, 63271), (26, 43803), (31, 36738), (39, 29202), (62, 18369), (78, 14601), (93, 12246), (117, 9734), (157, 7254), (186, 6123), (234, 4867), (279, 4082), (314, 3627), (403, 2826), (471, 2418), (558, 2041), (806, 1413), (942, 1209)]