196819775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1109}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 253257600

約数和(自身を除く): 56437825

約数列:

[1, 5, 25, 31, 155, 229, 775, 1109, 1145, 5545, 5725, 7099, 27725, 34379, 35495, 171895, 177475, 253961, 859475, 1269805, 6349025, 7872791, 39363955, 196819775]

約数ペア:

[(1, 196819775), (5, 39363955), (25, 7872791), (31, 6349025), (155, 1269805), (229, 859475), (775, 253961), (1109, 177475), (1145, 171895), (5545, 35495), (5725, 34379), (7099, 27725)]