1991242232

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 4658135040

約数和(自身を除く): 2666892808

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 47, 56, 68, 94, 119, 136, 188, 191, 233, 238, 329, 376, 382, 466, 476, 658, 764, 799, 932, 952, 1316, 1337, 1528, 1598, 1631, 1864, 2632, 2674, 3196, 3247, 3262, 3961, 5348, 5593, 6392, 6494, 6524, 7922, 8977, 10696, 10951, 11186, 12988, 13048, 15844, 17954, 21902, 22372, 22729, 25976, 27727, 31688, 35908, 43804, 44503, 44744, 45458, 55454, 62839, 71816, 76657, 87608, 89006, 90916, 110908, 125678, 152609, 153314, 178012, 181832, 186167, 221816, 251356, 305218, 306628, 311521, 356024, 372334, 502712, 610436, 613256, 623042, 744668, 756551, 1068263, 1220872, 1246084, 1303169, 1489336, 1513102, 2091641, 2136526, 2492168, 2606338, 3026204, 4183282, 4273052, 5212676, 5295857, 6052408, 8366564, 8546104, 10425352, 10591714, 14641487, 16733128, 21183428, 29282974, 35557897, 42366856, 58565948, 71115794, 117131896, 142231588, 248905279, 284463176, 497810558, 995621116, 1991242232]

約数ペア:

[(1, 1991242232), (2, 995621116), (4, 497810558), (7, 284463176), (8, 248905279), (14, 142231588), (17, 117131896), (28, 71115794), (34, 58565948), (47, 42366856), (56, 35557897), (68, 29282974), (94, 21183428), (119, 16733128), (136, 14641487), (188, 10591714), (191, 10425352), (233, 8546104), (238, 8366564), (329, 6052408), (376, 5295857), (382, 5212676), (466, 4273052), (476, 4183282), (658, 3026204), (764, 2606338), (799, 2492168), (932, 2136526), (952, 2091641), (1316, 1513102), (1337, 1489336), (1528, 1303169), (1598, 1246084), (1631, 1220872), (1864, 1068263), (2632, 756551), (2674, 744668), (3196, 623042), (3247, 613256), (3262, 610436), (3961, 502712), (5348, 372334), (5593, 356024), (6392, 311521), (6494, 306628), (6524, 305218), (7922, 251356), (8977, 221816), (10696, 186167), (10951, 181832), (11186, 178012), (12988, 153314), (13048, 152609), (15844, 125678), (17954, 110908), (21902, 90916), (22372, 89006), (22729, 87608), (25976, 76657), (27727, 71816), (31688, 62839), (35908, 55454), (43804, 45458), (44503, 44744)]