81203416

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 184665600

約数和(自身を除く): 103462184

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 167, 266, 334, 457, 532, 668, 914, 1064, 1169, 1336, 1828, 2338, 3173, 3199, 3656, 4676, 6346, 6398, 8683, 9352, 12692, 12796, 17366, 22211, 25384, 25592, 34732, 44422, 60781, 69464, 76319, 88844, 121562, 152638, 177688, 243124, 305276, 486248, 534233, 610552, 1068466, 1450061, 2136932, 2900122, 4273864, 5800244, 10150427, 11600488, 20300854, 40601708, 81203416]

約数ペア:

[(1, 81203416), (2, 40601708), (4, 20300854), (7, 11600488), (8, 10150427), (14, 5800244), (19, 4273864), (28, 2900122), (38, 2136932), (56, 1450061), (76, 1068466), (133, 610552), (152, 534233), (167, 486248), (266, 305276), (334, 243124), (457, 177688), (532, 152638), (668, 121562), (914, 88844), (1064, 76319), (1169, 69464), (1336, 60781), (1828, 44422), (2338, 34732), (3173, 25592), (3199, 25384), (3656, 22211), (4676, 17366), (6346, 12796), (6398, 12692), (8683, 9352)]