140564008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{22157}}^1$

素因数の和:22237

約数の個数: 32

約数和(自身を含む): 288497160

約数和(自身を除く): 147933152

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 22157, 44314, 88628, 177256, 288041, 576082, 1152164, 1351577, 2304328, 2703154, 5406308, 10812616, 17570501, 35141002, 70282004, 140564008]

約数ペア:

[(1, 140564008), (2, 70282004), (4, 35141002), (8, 17570501), (13, 10812616), (26, 5406308), (52, 2703154), (61, 2304328), (104, 1351577), (122, 1152164), (244, 576082), (488, 288041), (793, 177256), (1586, 88628), (3172, 44314), (6344, 22157)]