138820976

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39983}}^1$

素因数の和:40029

約数の個数: 40

約数和(自身を含む): 317313024

約数和(自身を除く): 178492048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 39983, 79966, 159932, 279881, 319864, 559762, 639728, 1119524, 1239473, 2239048, 2478946, 4478096, 4957892, 8676311, 9915784, 17352622, 19831568, 34705244, 69410488, 138820976]

約数ペア:

[(1, 138820976), (2, 69410488), (4, 34705244), (7, 19831568), (8, 17352622), (14, 9915784), (16, 8676311), (28, 4957892), (31, 4478096), (56, 2478946), (62, 2239048), (112, 1239473), (124, 1119524), (217, 639728), (248, 559762), (434, 319864), (496, 279881), (868, 159932), (1736, 79966), (3472, 39983)]