25228371

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 41264640

約数和(自身を除く): 16036269

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 1193, 3021, 3579, 7049, 8351, 21147, 22667, 25053, 63229, 68001, 158669, 189687, 442603, 476007, 1201351, 1327809, 3604053, 8409457, 25228371]

約数ペア:

[(1, 25228371), (3, 8409457), (7, 3604053), (19, 1327809), (21, 1201351), (53, 476007), (57, 442603), (133, 189687), (159, 158669), (371, 68001), (399, 63229), (1007, 25053), (1113, 22667), (1193, 21147), (3021, 8351), (3579, 7049)]