78740155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 109670400

約数和(自身を除く): 30930245

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 713, 1495, 1699, 2015, 3565, 8495, 9269, 22087, 39077, 46345, 52669, 110435, 195385, 263345, 508001, 684697, 1211387, 2540005, 3423485, 6056935, 15748031, 78740155]

約数ペア:

[(1, 78740155), (5, 15748031), (13, 6056935), (23, 3423485), (31, 2540005), (65, 1211387), (115, 684697), (155, 508001), (299, 263345), (403, 195385), (713, 110435), (1495, 52669), (1699, 46345), (2015, 39077), (3565, 22087), (8495, 9269)]