159739775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1601}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 214142544

約数和(自身を除く): 54402769

約数列:

[1, 5, 13, 25, 65, 307, 325, 1535, 1601, 3991, 7675, 8005, 19955, 20813, 40025, 99775, 104065, 491507, 520325, 2457535, 6389591, 12287675, 31947955, 159739775]

約数ペア:

[(1, 159739775), (5, 31947955), (13, 12287675), (25, 6389591), (65, 2457535), (307, 520325), (325, 491507), (1535, 104065), (1601, 99775), (3991, 40025), (7675, 20813), (8005, 19955)]