639847564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{701}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 1228421376

約数和(自身を除く): 588573812

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 433, 527, 701, 866, 1054, 1402, 1732, 2108, 2804, 7361, 11917, 13423, 14722, 21731, 23834, 26846, 29444, 43462, 47668, 53692, 86924, 228191, 303533, 369427, 456382, 607066, 738854, 912764, 1214132, 1477708, 5160061, 9409523, 10320122, 18819046, 20640244, 37638092, 159961891, 319923782, 639847564]

約数ペア:

[(1, 639847564), (2, 319923782), (4, 159961891), (17, 37638092), (31, 20640244), (34, 18819046), (62, 10320122), (68, 9409523), (124, 5160061), (433, 1477708), (527, 1214132), (701, 912764), (866, 738854), (1054, 607066), (1402, 456382), (1732, 369427), (2108, 303533), (2804, 228191), (7361, 86924), (11917, 53692), (13423, 47668), (14722, 43462), (21731, 29444), (23834, 26846)]