78857885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 102936960

約数和(自身を除く): 24079075

約数列:

[1, 5, 19, 73, 83, 95, 137, 365, 415, 685, 1387, 1577, 2603, 6059, 6935, 7885, 10001, 11371, 13015, 30295, 50005, 56855, 115121, 190019, 216049, 575605, 830083, 950095, 1080245, 4150415, 15771577, 78857885]

約数ペア:

[(1, 78857885), (5, 15771577), (19, 4150415), (73, 1080245), (83, 950095), (95, 830083), (137, 575605), (365, 216049), (415, 190019), (685, 115121), (1387, 56855), (1577, 50005), (2603, 30295), (6059, 13015), (6935, 11371), (7885, 10001)]