1999161104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1433}}^1$

素因数の和:1704

約数の個数: 80

約数和(自身を含む): 4301724672

約数和(自身を除く): 2302563568

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 223, 272, 368, 391, 446, 782, 892, 1433, 1564, 1784, 2866, 3128, 3568, 3791, 5129, 5732, 6256, 7582, 10258, 11464, 15164, 20516, 22928, 24361, 30328, 32959, 41032, 48722, 60656, 65918, 82064, 87193, 97444, 131836, 174386, 194888, 263672, 319559, 348772, 389776, 527344, 560303, 639118, 697544, 1120606, 1278236, 1395088, 2241212, 2556472, 4482424, 5112944, 5432503, 7349857, 8964848, 10865006, 14699714, 21730012, 29399428, 43460024, 58798856, 86920048, 117597712, 124947569, 249895138, 499790276, 999580552, 1999161104]

約数ペア:

[(1, 1999161104), (2, 999580552), (4, 499790276), (8, 249895138), (16, 124947569), (17, 117597712), (23, 86920048), (34, 58798856), (46, 43460024), (68, 29399428), (92, 21730012), (136, 14699714), (184, 10865006), (223, 8964848), (272, 7349857), (368, 5432503), (391, 5112944), (446, 4482424), (782, 2556472), (892, 2241212), (1433, 1395088), (1564, 1278236), (1784, 1120606), (2866, 697544), (3128, 639118), (3568, 560303), (3791, 527344), (5129, 389776), (5732, 348772), (6256, 319559), (7582, 263672), (10258, 194888), (11464, 174386), (15164, 131836), (20516, 97444), (22928, 87193), (24361, 82064), (30328, 65918), (32959, 60656), (41032, 48722)]