156628538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 260601408

約数和(自身を除く): 103972870

約数列:

[1, 2, 11, 22, 137, 157, 274, 314, 331, 662, 1507, 1727, 3014, 3454, 3641, 7282, 21509, 43018, 45347, 51967, 90694, 103934, 236599, 473198, 498817, 571637, 997634, 1143274, 7119479, 14238958, 78314269, 156628538]

約数ペア:

[(1, 156628538), (2, 78314269), (11, 14238958), (22, 7119479), (137, 1143274), (157, 997634), (274, 571637), (314, 498817), (331, 473198), (662, 236599), (1507, 103934), (1727, 90694), (3014, 51967), (3454, 45347), (3641, 43018), (7282, 21509)]