77977705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 107686656

約数和(自身を除く): 29708951

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 559, 989, 1213, 1495, 2795, 4945, 6065, 12857, 15769, 27899, 52159, 64285, 78845, 139495, 260795, 362687, 678067, 1199657, 1813435, 3390335, 5998285, 15595541, 77977705]

約数ペア:

[(1, 77977705), (5, 15595541), (13, 5998285), (23, 3390335), (43, 1813435), (65, 1199657), (115, 678067), (215, 362687), (299, 260795), (559, 139495), (989, 78845), (1213, 64285), (1495, 52159), (2795, 27899), (4945, 15769), (6065, 12857)]