17990168

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 40888320

約数和(自身を除く): 22898152

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 241, 248, 301, 344, 434, 482, 602, 868, 964, 1204, 1333, 1687, 1736, 1928, 2408, 2666, 3374, 5332, 6748, 7471, 9331, 10363, 10664, 13496, 14942, 18662, 20726, 29884, 37324, 41452, 52297, 59768, 72541, 74648, 82904, 104594, 145082, 209188, 290164, 321253, 418376, 580328, 642506, 1285012, 2248771, 2570024, 4497542, 8995084, 17990168]

約数ペア:

[(1, 17990168), (2, 8995084), (4, 4497542), (7, 2570024), (8, 2248771), (14, 1285012), (28, 642506), (31, 580328), (43, 418376), (56, 321253), (62, 290164), (86, 209188), (124, 145082), (172, 104594), (217, 82904), (241, 74648), (248, 72541), (301, 59768), (344, 52297), (434, 41452), (482, 37324), (602, 29884), (868, 20726), (964, 18662), (1204, 14942), (1333, 13496), (1687, 10664), (1736, 10363), (1928, 9331), (2408, 7471), (2666, 6748), (3374, 5332)]