208079245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{25391}}^1$

素因数の和:25556

約数の個数: 16

約数和(自身を含む): 274233600

約数和(自身を除く): 66154355

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 25391, 126955, 279301, 1396505, 3783259, 18916295, 41615849, 208079245]

約数ペア:

[(1, 208079245), (5, 41615849), (11, 18916295), (55, 3783259), (149, 1396505), (745, 279301), (1639, 126955), (8195, 25391)]