663669244

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{587}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 1343462400

約数和(自身を除く): 679793156

約数列:

[1, 2, 4, 7, 14, 28, 149, 271, 298, 542, 587, 596, 1043, 1084, 1174, 1897, 2086, 2348, 3794, 4109, 4172, 7588, 8218, 16436, 40379, 80758, 87463, 159077, 161516, 174926, 282653, 318154, 349852, 565306, 612241, 636308, 1113539, 1130612, 1224482, 2227078, 2448964, 4454156, 23702473, 47404946, 94809892, 165917311, 331834622, 663669244]

約数ペア:

[(1, 663669244), (2, 331834622), (4, 165917311), (7, 94809892), (14, 47404946), (28, 23702473), (149, 4454156), (271, 2448964), (298, 2227078), (542, 1224482), (587, 1130612), (596, 1113539), (1043, 636308), (1084, 612241), (1174, 565306), (1897, 349852), (2086, 318154), (2348, 282653), (3794, 174926), (4109, 161516), (4172, 159077), (7588, 87463), (8218, 80758), (16436, 40379)]