643506804

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2927}}^1$

素因数の和:3165

約数の個数: 72

約数和(自身を含む): 1688214528

約数和(自身を除く): 1044707724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 197, 279, 372, 394, 558, 591, 788, 1116, 1182, 1773, 2364, 2927, 3546, 5854, 6107, 7092, 8781, 11708, 12214, 17562, 18321, 24428, 26343, 35124, 36642, 52686, 54963, 73284, 90737, 105372, 109926, 181474, 219852, 272211, 362948, 544422, 576619, 816633, 1088844, 1153238, 1633266, 1729857, 2306476, 3266532, 3459714, 5189571, 6919428, 10379142, 17875189, 20758284, 35750378, 53625567, 71500756, 107251134, 160876701, 214502268, 321753402, 643506804]

約数ペア:

[(1, 643506804), (2, 321753402), (3, 214502268), (4, 160876701), (6, 107251134), (9, 71500756), (12, 53625567), (18, 35750378), (31, 20758284), (36, 17875189), (62, 10379142), (93, 6919428), (124, 5189571), (186, 3459714), (197, 3266532), (279, 2306476), (372, 1729857), (394, 1633266), (558, 1153238), (591, 1088844), (788, 816633), (1116, 576619), (1182, 544422), (1773, 362948), (2364, 272211), (2927, 219852), (3546, 181474), (5854, 109926), (6107, 105372), (7092, 90737), (8781, 73284), (11708, 54963), (12214, 52686), (17562, 36642), (18321, 35124), (24428, 26343)]