408059665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 546932736

約数和(自身を除く): 138873071

約数列:

[1, 5, 13, 31, 65, 155, 313, 403, 647, 1565, 2015, 3235, 4069, 8411, 9703, 20057, 20345, 42055, 48515, 100285, 126139, 202511, 260741, 630695, 1012555, 1303705, 2632643, 6277841, 13163215, 31389205, 81611933, 408059665]

約数ペア:

[(1, 408059665), (5, 81611933), (13, 31389205), (31, 13163215), (65, 6277841), (155, 2632643), (313, 1303705), (403, 1012555), (647, 630695), (1565, 260741), (2015, 202511), (3235, 126139), (4069, 100285), (8411, 48515), (9703, 42055), (20057, 20345)]