657384

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 2106720

約数和(自身を除く): 1449336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 43, 49, 52, 56, 78, 84, 86, 91, 98, 104, 129, 147, 156, 168, 172, 182, 196, 258, 273, 294, 301, 312, 344, 364, 392, 516, 546, 559, 588, 602, 637, 728, 903, 1032, 1092, 1118, 1176, 1204, 1274, 1677, 1806, 1911, 2107, 2184, 2236, 2408, 2548, 3354, 3612, 3822, 3913, 4214, 4472, 5096, 6321, 6708, 7224, 7644, 7826, 8428, 11739, 12642, 13416, 15288, 15652, 16856, 23478, 25284, 27391, 31304, 46956, 50568, 54782, 82173, 93912, 109564, 164346, 219128, 328692, 657384]

約数ペア:

[(1, 657384), (2, 328692), (3, 219128), (4, 164346), (6, 109564), (7, 93912), (8, 82173), (12, 54782), (13, 50568), (14, 46956), (21, 31304), (24, 27391), (26, 25284), (28, 23478), (39, 16856), (42, 15652), (43, 15288), (49, 13416), (52, 12642), (56, 11739), (78, 8428), (84, 7826), (86, 7644), (91, 7224), (98, 6708), (104, 6321), (129, 5096), (147, 4472), (156, 4214), (168, 3913), (172, 3822), (182, 3612), (196, 3354), (258, 2548), (273, 2408), (294, 2236), (301, 2184), (312, 2107), (344, 1911), (364, 1806), (392, 1677), (516, 1274), (546, 1204), (559, 1176), (588, 1118), (602, 1092), (637, 1032), (728, 903)]