406940908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{20507}}^1$

素因数の和:20574

約数の個数: 36

約数和(自身を含む): 801903816

約数和(自身を除く): 394962908

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1804, 4961, 9922, 19844, 20507, 41014, 82028, 225577, 451154, 840787, 902308, 1681574, 2481347, 3363148, 4962694, 9248657, 9925388, 18497314, 36994628, 101735227, 203470454, 406940908]

約数ペア:

[(1, 406940908), (2, 203470454), (4, 101735227), (11, 36994628), (22, 18497314), (41, 9925388), (44, 9248657), (82, 4962694), (121, 3363148), (164, 2481347), (242, 1681574), (451, 902308), (484, 840787), (902, 451154), (1804, 225577), (4961, 82028), (9922, 41014), (19844, 20507)]