13887965

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 20756736

約数和(自身を除く): 6868771

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 233, 455, 655, 917, 1165, 1631, 1703, 3029, 4585, 8155, 8515, 11921, 15145, 21203, 30523, 59605, 106015, 152615, 213661, 396799, 1068305, 1983995, 2777593, 13887965]

約数ペア:

[(1, 13887965), (5, 2777593), (7, 1983995), (13, 1068305), (35, 396799), (65, 213661), (91, 152615), (131, 106015), (233, 59605), (455, 30523), (655, 21203), (917, 15145), (1165, 11921), (1631, 8515), (1703, 8155), (3029, 4585)]