123021808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4494

約数の個数: 80

約数和(自身を含む): 308869120

約数和(自身を除く): 185847312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 3458, 3952, 4447, 6916, 8894, 13832, 17788, 27664, 31129, 35576, 57811, 62258, 71152, 84493, 115622, 124516, 168986, 231244, 249032, 337972, 404677, 462488, 498064, 591451, 675944, 809354, 924976, 1098409, 1182902, 1351888, 1618708, 2196818, 2365804, 3237416, 4393636, 4731608, 6474832, 7688863, 8787272, 9463216, 15377726, 17574544, 30755452, 61510904, 123021808]

約数ペア:

[(1, 123021808), (2, 61510904), (4, 30755452), (7, 17574544), (8, 15377726), (13, 9463216), (14, 8787272), (16, 7688863), (19, 6474832), (26, 4731608), (28, 4393636), (38, 3237416), (52, 2365804), (56, 2196818), (76, 1618708), (91, 1351888), (104, 1182902), (112, 1098409), (133, 924976), (152, 809354), (182, 675944), (208, 591451), (247, 498064), (266, 462488), (304, 404677), (364, 337972), (494, 249032), (532, 231244), (728, 168986), (988, 124516), (1064, 115622), (1456, 84493), (1729, 71152), (1976, 62258), (2128, 57811), (3458, 35576), (3952, 31129), (4447, 27664), (6916, 17788), (8894, 13832)]