49406890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{977}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 96117840

約数和(自身を除く): 46710950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 977, 1945, 1954, 3890, 4885, 5057, 9770, 10114, 12701, 25285, 25402, 50570, 63505, 127010, 380053, 760106, 1900265, 3800530, 4940689, 9881378, 24703445, 49406890]

約数ペア:

[(1, 49406890), (2, 24703445), (5, 9881378), (10, 4940689), (13, 3800530), (26, 1900265), (65, 760106), (130, 380053), (389, 127010), (778, 63505), (977, 50570), (1945, 25402), (1954, 25285), (3890, 12701), (4885, 10114), (5057, 9770)]