131245072

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 303726592

約数和(自身を除く): 172481520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 103, 112, 124, 206, 217, 248, 367, 412, 434, 496, 721, 734, 824, 868, 1442, 1468, 1648, 1736, 2569, 2884, 2936, 3193, 3472, 5138, 5768, 5872, 6386, 10276, 11377, 11536, 12772, 20552, 22351, 22754, 25544, 37801, 41104, 44702, 45508, 51088, 75602, 79639, 89404, 91016, 151204, 159278, 178808, 182032, 264607, 302408, 318556, 357616, 529214, 604816, 637112, 1058428, 1171831, 1274224, 2116856, 2343662, 4233712, 4687324, 8202817, 9374648, 16405634, 18749296, 32811268, 65622536, 131245072]

約数ペア:

[(1, 131245072), (2, 65622536), (4, 32811268), (7, 18749296), (8, 16405634), (14, 9374648), (16, 8202817), (28, 4687324), (31, 4233712), (56, 2343662), (62, 2116856), (103, 1274224), (112, 1171831), (124, 1058428), (206, 637112), (217, 604816), (248, 529214), (367, 357616), (412, 318556), (434, 302408), (496, 264607), (721, 182032), (734, 178808), (824, 159278), (868, 151204), (1442, 91016), (1468, 89404), (1648, 79639), (1736, 75602), (2569, 51088), (2884, 45508), (2936, 44702), (3193, 41104), (3472, 37801), (5138, 25544), (5768, 22754), (5872, 22351), (6386, 20552), (10276, 12772), (11377, 11536)]