138780785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2897}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 198640512

約数和(自身を除く): 59859727

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 335, 715, 737, 871, 2897, 3685, 4355, 9581, 14485, 31867, 37661, 47905, 159335, 188305, 194099, 414271, 970495, 2071355, 2135089, 2523287, 10675445, 12616435, 27756157, 138780785]

約数ペア:

[(1, 138780785), (5, 27756157), (11, 12616435), (13, 10675445), (55, 2523287), (65, 2135089), (67, 2071355), (143, 970495), (335, 414271), (715, 194099), (737, 188305), (871, 159335), (2897, 47905), (3685, 37661), (4355, 31867), (9581, 14485)]