9781278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 21319200

約数和(自身を除く): 11537922

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 1409, 2314, 2818, 3471, 4227, 6942, 8454, 18317, 36634, 54951, 109902, 125401, 250802, 376203, 752406, 1630213, 3260426, 4890639, 9781278]

約数ペア:

[(1, 9781278), (2, 4890639), (3, 3260426), (6, 1630213), (13, 752406), (26, 376203), (39, 250802), (78, 125401), (89, 109902), (178, 54951), (267, 36634), (534, 18317), (1157, 8454), (1409, 6942), (2314, 4227), (2818, 3471)]