25991978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 42318720

約数和(自身を除く): 16326742

約数列:

[1, 2, 23, 46, 59, 61, 118, 122, 157, 314, 1357, 1403, 2714, 2806, 3599, 3611, 7198, 7222, 9263, 9577, 18526, 19154, 82777, 165554, 213049, 220271, 426098, 440542, 565043, 1130086, 12995989, 25991978]

約数ペア:

[(1, 25991978), (2, 12995989), (23, 1130086), (46, 565043), (59, 440542), (61, 426098), (118, 220271), (122, 213049), (157, 165554), (314, 82777), (1357, 19154), (1403, 18526), (2714, 9577), (2806, 9263), (3599, 7222), (3611, 7198)]