1990443234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1\times {\mathrm{701}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 4373066880

約数和(自身を除く): 2382623646

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 177, 354, 617, 701, 767, 1234, 1402, 1534, 1851, 2103, 2301, 3702, 4206, 4602, 8021, 9113, 16042, 18226, 24063, 27339, 36403, 41359, 48126, 54678, 72806, 82718, 109209, 124077, 218418, 248154, 432517, 473239, 537667, 865034, 946478, 1075334, 1297551, 1419717, 1613001, 2595102, 2839434, 3226002, 5622721, 11245442, 16868163, 25518503, 33736326, 51037006, 76555509, 153111018, 331740539, 663481078, 995221617, 1990443234]

約数ペア:

[(1, 1990443234), (2, 995221617), (3, 663481078), (6, 331740539), (13, 153111018), (26, 76555509), (39, 51037006), (59, 33736326), (78, 25518503), (118, 16868163), (177, 11245442), (354, 5622721), (617, 3226002), (701, 2839434), (767, 2595102), (1234, 1613001), (1402, 1419717), (1534, 1297551), (1851, 1075334), (2103, 946478), (2301, 865034), (3702, 537667), (4206, 473239), (4602, 432517), (8021, 248154), (9113, 218418), (16042, 124077), (18226, 109209), (24063, 82718), (27339, 72806), (36403, 54678), (41359, 48126)]