25390518

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 52041312

約数和(自身を除く): 26650794

約数列:

[1, 2, 3, 6, 61, 122, 173, 183, 346, 366, 401, 519, 802, 1038, 1203, 2406, 10553, 21106, 24461, 31659, 48922, 63318, 69373, 73383, 138746, 146766, 208119, 416238, 4231753, 8463506, 12695259, 25390518]

約数ペア:

[(1, 25390518), (2, 12695259), (3, 8463506), (6, 4231753), (61, 416238), (122, 208119), (173, 146766), (183, 138746), (346, 73383), (366, 69373), (401, 63318), (519, 48922), (802, 31659), (1038, 24461), (1203, 21106), (2406, 10553)]