221788616

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{47717}}^1$

素因数の和:47813

約数の個数: 32

約数和(自身を含む): 480997440

約数和(自身を除く): 259208824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 47717, 95434, 190868, 334019, 381736, 668038, 1336076, 2672152, 3960511, 7921022, 15842044, 27723577, 31684088, 55447154, 110894308, 221788616]

約数ペア:

[(1, 221788616), (2, 110894308), (4, 55447154), (7, 31684088), (8, 27723577), (14, 15842044), (28, 7921022), (56, 3960511), (83, 2672152), (166, 1336076), (332, 668038), (581, 381736), (664, 334019), (1162, 190868), (2324, 95434), (4648, 47717)]