128105328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205297}}^1$

素因数の和:205321

約数の個数: 40

約数和(自身を含む): 356397328

約数和(自身を除く): 228292000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205297, 410594, 615891, 821188, 1231782, 1642376, 2463564, 2668861, 3284752, 4927128, 5337722, 8006583, 9854256, 10675444, 16013166, 21350888, 32026332, 42701776, 64052664, 128105328]

約数ペア:

[(1, 128105328), (2, 64052664), (3, 42701776), (4, 32026332), (6, 21350888), (8, 16013166), (12, 10675444), (13, 9854256), (16, 8006583), (24, 5337722), (26, 4927128), (39, 3284752), (48, 2668861), (52, 2463564), (78, 1642376), (104, 1231782), (156, 821188), (208, 615891), (312, 410594), (624, 205297)]