78857915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 104011776

約数和(自身を除く): 25153861

約数列:

[1, 5, 23, 37, 43, 115, 185, 215, 431, 851, 989, 1591, 2155, 4255, 4945, 7955, 9913, 15947, 18533, 36593, 49565, 79735, 92665, 182965, 366781, 426259, 685721, 1833905, 2131295, 3428605, 15771583, 78857915]

約数ペア:

[(1, 78857915), (5, 15771583), (23, 3428605), (37, 2131295), (43, 1833905), (115, 685721), (185, 426259), (215, 366781), (431, 182965), (851, 92665), (989, 79735), (1591, 49565), (2155, 36593), (4255, 18533), (4945, 15947), (7955, 9913)]