68745290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2153}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 129033216

約数和(自身を除く): 60287926

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 2153, 3193, 4306, 6386, 10765, 15965, 21530, 31930, 66743, 133486, 221759, 333715, 443518, 667430, 1108795, 2217590, 6874529, 13749058, 34372645, 68745290]

約数ペア:

[(1, 68745290), (2, 34372645), (5, 13749058), (10, 6874529), (31, 2217590), (62, 1108795), (103, 667430), (155, 443518), (206, 333715), (310, 221759), (515, 133486), (1030, 66743), (2153, 31930), (3193, 21530), (4306, 15965), (6386, 10765)]