721574268

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 1741176192

約数和(自身を除く): 1019601924

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 163, 167, 188, 282, 326, 334, 489, 501, 564, 652, 668, 978, 1002, 1956, 2004, 2209, 4418, 6627, 7661, 7849, 8836, 13254, 15322, 15698, 22983, 23547, 26508, 27221, 30644, 31396, 45966, 47094, 54442, 81663, 91932, 94188, 108884, 163326, 326652, 360067, 368903, 720134, 737806, 1080201, 1106709, 1279387, 1440268, 1475612, 2160402, 2213418, 2558774, 3838161, 4320804, 4426836, 5117548, 7676322, 15352644, 60131189, 120262378, 180393567, 240524756, 360787134, 721574268]

約数ペア:

[(1, 721574268), (2, 360787134), (3, 240524756), (4, 180393567), (6, 120262378), (12, 60131189), (47, 15352644), (94, 7676322), (141, 5117548), (163, 4426836), (167, 4320804), (188, 3838161), (282, 2558774), (326, 2213418), (334, 2160402), (489, 1475612), (501, 1440268), (564, 1279387), (652, 1106709), (668, 1080201), (978, 737806), (1002, 720134), (1956, 368903), (2004, 360067), (2209, 326652), (4418, 163326), (6627, 108884), (7661, 94188), (7849, 91932), (8836, 81663), (13254, 54442), (15322, 47094), (15698, 45966), (22983, 31396), (23547, 30644), (26508, 27221)]