280959731

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 331490880

約数和(自身を除く): 50531149

約数列:

[1, 13, 17, 53, 83, 221, 289, 689, 901, 1079, 1411, 3757, 4399, 4913, 11713, 15317, 18343, 23987, 57187, 63869, 74783, 199121, 260389, 311831, 407779, 972179, 1271311, 3385057, 5301127, 16527043, 21612287, 280959731]

約数ペア:

[(1, 280959731), (13, 21612287), (17, 16527043), (53, 5301127), (83, 3385057), (221, 1271311), (289, 972179), (689, 407779), (901, 311831), (1079, 260389), (1411, 199121), (3757, 74783), (4399, 63869), (4913, 57187), (11713, 23987), (15317, 18343)]