66919385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 90478080

約数和(自身を除く): 23558695

約数列:

[1, 5, 13, 29, 65, 131, 145, 271, 377, 655, 1355, 1703, 1885, 3523, 3799, 7859, 8515, 17615, 18995, 35501, 39295, 49387, 102167, 177505, 246935, 461513, 510835, 1029529, 2307565, 5147645, 13383877, 66919385]

約数ペア:

[(1, 66919385), (5, 13383877), (13, 5147645), (29, 2307565), (65, 1029529), (131, 510835), (145, 461513), (271, 246935), (377, 177505), (655, 102167), (1355, 49387), (1703, 39295), (1885, 35501), (3523, 18995), (3799, 17615), (7859, 8515)]