81142164

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 210479360

約数和(自身を除く): 129337196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 103, 158, 206, 237, 277, 309, 316, 412, 474, 554, 618, 711, 831, 927, 948, 1108, 1236, 1422, 1662, 1854, 2493, 2844, 3324, 3708, 4986, 8137, 9972, 16274, 21883, 24411, 28531, 32548, 43766, 48822, 57062, 65649, 73233, 85593, 87532, 97644, 114124, 131298, 146466, 171186, 196947, 256779, 262596, 292932, 342372, 393894, 513558, 787788, 1027116, 2253949, 4507898, 6761847, 9015796, 13523694, 20285541, 27047388, 40571082, 81142164]

約数ペア:

[(1, 81142164), (2, 40571082), (3, 27047388), (4, 20285541), (6, 13523694), (9, 9015796), (12, 6761847), (18, 4507898), (36, 2253949), (79, 1027116), (103, 787788), (158, 513558), (206, 393894), (237, 342372), (277, 292932), (309, 262596), (316, 256779), (412, 196947), (474, 171186), (554, 146466), (618, 131298), (711, 114124), (831, 97644), (927, 87532), (948, 85593), (1108, 73233), (1236, 65649), (1422, 57062), (1662, 48822), (1854, 43766), (2493, 32548), (2844, 28531), (3324, 24411), (3708, 21883), (4986, 16274), (8137, 9972)]