64521268

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 132396544

約数和(自身を除く): 67875276

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 163, 211, 268, 326, 422, 469, 652, 844, 938, 1141, 1477, 1876, 2282, 2954, 4564, 5908, 10921, 14137, 21842, 28274, 34393, 43684, 56548, 68786, 76447, 98959, 137572, 152894, 197918, 240751, 305788, 395836, 481502, 963004, 2304331, 4608662, 9217324, 16130317, 32260634, 64521268]

約数ペア:

[(1, 64521268), (2, 32260634), (4, 16130317), (7, 9217324), (14, 4608662), (28, 2304331), (67, 963004), (134, 481502), (163, 395836), (211, 305788), (268, 240751), (326, 197918), (422, 152894), (469, 137572), (652, 98959), (844, 76447), (938, 68786), (1141, 56548), (1477, 43684), (1876, 34393), (2282, 28274), (2954, 21842), (4564, 14137), (5908, 10921)]