1398889716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31481}}^1$

素因数の和:31541

約数の個数: 72

約数和(自身を含む): 3899738304

約数和(自身を除く): 2500848588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 529, 644, 966, 1058, 1587, 1932, 2116, 3174, 3703, 6348, 7406, 11109, 14812, 22218, 31481, 44436, 62962, 94443, 125924, 188886, 220367, 377772, 440734, 661101, 724063, 881468, 1322202, 1448126, 2172189, 2644404, 2896252, 4344378, 5068441, 8688756, 10136882, 15205323, 16653449, 20273764, 30410646, 33306898, 49960347, 60821292, 66613796, 99920694, 116574143, 199841388, 233148286, 349722429, 466296572, 699444858, 1398889716]

約数ペア:

[(1, 1398889716), (2, 699444858), (3, 466296572), (4, 349722429), (6, 233148286), (7, 199841388), (12, 116574143), (14, 99920694), (21, 66613796), (23, 60821292), (28, 49960347), (42, 33306898), (46, 30410646), (69, 20273764), (84, 16653449), (92, 15205323), (138, 10136882), (161, 8688756), (276, 5068441), (322, 4344378), (483, 2896252), (529, 2644404), (644, 2172189), (966, 1448126), (1058, 1322202), (1587, 881468), (1932, 724063), (2116, 661101), (3174, 440734), (3703, 377772), (6348, 220367), (7406, 188886), (11109, 125924), (14812, 94443), (22218, 62962), (31481, 44436)]