428792

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 64

約数和(自身を含む): 1075200

約数和(自身を除く): 646408

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 124, 133, 152, 182, 217, 247, 248, 266, 364, 403, 434, 494, 532, 589, 728, 806, 868, 988, 1064, 1178, 1612, 1729, 1736, 1976, 2356, 2821, 3224, 3458, 4123, 4712, 5642, 6916, 7657, 8246, 11284, 13832, 15314, 16492, 22568, 30628, 32984, 53599, 61256, 107198, 214396, 428792]

約数ペア:

[(1, 428792), (2, 214396), (4, 107198), (7, 61256), (8, 53599), (13, 32984), (14, 30628), (19, 22568), (26, 16492), (28, 15314), (31, 13832), (38, 11284), (52, 8246), (56, 7657), (62, 6916), (76, 5642), (91, 4712), (104, 4123), (124, 3458), (133, 3224), (152, 2821), (182, 2356), (217, 1976), (247, 1736), (248, 1729), (266, 1612), (364, 1178), (403, 1064), (434, 988), (494, 868), (532, 806), (589, 728)]