407980976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1961447}}^1$

素因数の和:1961468

約数の個数: 20

約数和(自身を含む): 851268432

約数和(自身を除く): 443287456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1961447, 3922894, 7845788, 15691576, 25498811, 31383152, 50997622, 101995244, 203990488, 407980976]

約数ペア:

[(1, 407980976), (2, 203990488), (4, 101995244), (8, 50997622), (13, 31383152), (16, 25498811), (26, 15691576), (52, 7845788), (104, 3922894), (208, 1961447)]