7880015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 11321856

約数和(自身を除く): 3441841

約数列:

[1, 5, 11, 13, 55, 65, 103, 107, 143, 515, 535, 715, 1133, 1177, 1339, 1391, 5665, 5885, 6695, 6955, 11021, 14729, 15301, 55105, 73645, 76505, 121231, 143273, 606155, 716365, 1576003, 7880015]

約数ペア:

[(1, 7880015), (5, 1576003), (11, 716365), (13, 606155), (55, 143273), (65, 121231), (103, 76505), (107, 73645), (143, 55105), (515, 15301), (535, 14729), (715, 11021), (1133, 6955), (1177, 6695), (1339, 5885), (1391, 5665)]