158611915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4079}}^1$

素因数の和:4203

約数の個数: 32

約数和(自身を含む): 239708160

約数和(自身を除く): 81096245

約数列:

[1, 5, 7, 11, 35, 55, 77, 101, 385, 505, 707, 1111, 3535, 4079, 5555, 7777, 20395, 28553, 38885, 44869, 142765, 224345, 314083, 411979, 1570415, 2059895, 2883853, 4531769, 14419265, 22658845, 31722383, 158611915]

約数ペア:

[(1, 158611915), (5, 31722383), (7, 22658845), (11, 14419265), (35, 4531769), (55, 2883853), (77, 2059895), (101, 1570415), (385, 411979), (505, 314083), (707, 224345), (1111, 142765), (3535, 44869), (4079, 38885), (5555, 28553), (7777, 20395)]