71805566

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 134369280

約数和(自身を除く): 62563714

約数列:

[1, 2, 7, 14, 29, 47, 53, 58, 71, 94, 106, 142, 203, 329, 371, 406, 497, 658, 742, 994, 1363, 1537, 2059, 2491, 2726, 3074, 3337, 3763, 4118, 4982, 6674, 7526, 9541, 10759, 14413, 17437, 19082, 21518, 23359, 26341, 28826, 34874, 46718, 52682, 72239, 96773, 109127, 144478, 176861, 193546, 218254, 353722, 505673, 677411, 763889, 1011346, 1238027, 1354822, 1527778, 2476054, 5128969, 10257938, 35902783, 71805566]

約数ペア:

[(1, 71805566), (2, 35902783), (7, 10257938), (14, 5128969), (29, 2476054), (47, 1527778), (53, 1354822), (58, 1238027), (71, 1011346), (94, 763889), (106, 677411), (142, 505673), (203, 353722), (329, 218254), (371, 193546), (406, 176861), (497, 144478), (658, 109127), (742, 96773), (994, 72239), (1363, 52682), (1537, 46718), (2059, 34874), (2491, 28826), (2726, 26341), (3074, 23359), (3337, 21518), (3763, 19082), (4118, 17437), (4982, 14413), (6674, 10759), (7526, 9541)]