68395915

素因数分解:

$5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 100800000

約数和(自身を除く): 32404085

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 343, 665, 931, 1715, 2099, 4655, 6517, 10495, 14693, 32585, 39881, 73465, 102851, 199405, 279167, 514255, 719957, 1395835, 1954169, 3599785, 9770845, 13679183, 68395915]

約数ペア:

[(1, 68395915), (5, 13679183), (7, 9770845), (19, 3599785), (35, 1954169), (49, 1395835), (95, 719957), (133, 514255), (245, 279167), (343, 199405), (665, 102851), (931, 73465), (1715, 39881), (2099, 32585), (4655, 14693), (6517, 10495)]