904181212

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 1785181328

約数和(自身を除く): 881000116

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 157, 163, 242, 292, 314, 326, 484, 628, 652, 803, 1606, 1727, 1793, 3212, 3454, 3586, 6908, 7172, 8833, 11461, 11899, 17666, 18997, 19723, 22922, 23798, 25591, 35332, 37994, 39446, 45844, 47596, 51182, 75988, 78892, 102364, 126071, 130889, 252142, 261778, 281501, 504284, 523556, 563002, 1126004, 1386781, 1439779, 1868143, 2773562, 2879558, 3096511, 3736286, 5547124, 5759116, 6193022, 7472572, 12386044, 20549573, 41099146, 82198292, 226045303, 452090606, 904181212]

約数ペア:

[(1, 904181212), (2, 452090606), (4, 226045303), (11, 82198292), (22, 41099146), (44, 20549573), (73, 12386044), (121, 7472572), (146, 6193022), (157, 5759116), (163, 5547124), (242, 3736286), (292, 3096511), (314, 2879558), (326, 2773562), (484, 1868143), (628, 1439779), (652, 1386781), (803, 1126004), (1606, 563002), (1727, 523556), (1793, 504284), (3212, 281501), (3454, 261778), (3586, 252142), (6908, 130889), (7172, 126071), (8833, 102364), (11461, 78892), (11899, 75988), (17666, 51182), (18997, 47596), (19723, 45844), (22922, 39446), (23798, 37994), (25591, 35332)]