25147982

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 40535352

約数和(自身を除く): 15387370

約数列:

[1, 2, 19, 38, 61, 122, 361, 571, 722, 1142, 1159, 2318, 10849, 21698, 22021, 34831, 44042, 69662, 206131, 412262, 661789, 1323578, 12573991, 25147982]

約数ペア:

[(1, 25147982), (2, 12573991), (19, 1323578), (38, 661789), (61, 412262), (122, 206131), (361, 69662), (571, 44042), (722, 34831), (1142, 22021), (1159, 21698), (2318, 10849)]