31077930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79687}}^1$

素因数の和:79710

約数の個数: 32

約数和(自身を含む): 80325504

約数和(自身を除く): 49247574

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79687, 159374, 239061, 398435, 478122, 796870, 1035931, 1195305, 2071862, 2390610, 3107793, 5179655, 6215586, 10359310, 15538965, 31077930]

約数ペア:

[(1, 31077930), (2, 15538965), (3, 10359310), (5, 6215586), (6, 5179655), (10, 3107793), (13, 2390610), (15, 2071862), (26, 1195305), (30, 1035931), (39, 796870), (65, 478122), (78, 398435), (130, 239061), (195, 159374), (390, 79687)]