664755736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1481}}^1\times {\mathrm{2953}}^1$

素因数の和:4459

約数の個数: 32

約数和(自身を含む): 1313348400

約数和(自身を除く): 648592664

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1481, 2953, 2962, 5906, 5924, 11812, 11848, 23624, 28139, 56107, 56278, 112214, 112556, 224428, 225112, 448856, 4373393, 8746786, 17493572, 34987144, 83094467, 166188934, 332377868, 664755736]

約数ペア:

[(1, 664755736), (2, 332377868), (4, 166188934), (8, 83094467), (19, 34987144), (38, 17493572), (76, 8746786), (152, 4373393), (1481, 448856), (2953, 225112), (2962, 224428), (5906, 112556), (5924, 112214), (11812, 56278), (11848, 56107), (23624, 28139)]