166942778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 271088640

約数和(自身を除く): 104145862

約数列:

[1, 2, 19, 38, 47, 94, 211, 422, 443, 886, 893, 1786, 4009, 8018, 8417, 9917, 16834, 19834, 20821, 41642, 93473, 186946, 188423, 376846, 395599, 791198, 1775987, 3551974, 4393231, 8786462, 83471389, 166942778]

約数ペア:

[(1, 166942778), (2, 83471389), (19, 8786462), (38, 4393231), (47, 3551974), (94, 1775987), (211, 791198), (422, 395599), (443, 376846), (886, 188423), (893, 186946), (1786, 93473), (4009, 41642), (8018, 20821), (8417, 19834), (9917, 16834)]