397921804

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{1427}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 832946688

約数和(自身を除く): 435024884

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 433, 644, 866, 1427, 1732, 2854, 3031, 5708, 6062, 9959, 9989, 12124, 19918, 19978, 32821, 39836, 39956, 65642, 69713, 131284, 139426, 229747, 278852, 459494, 617891, 918988, 1235782, 2471564, 4325237, 8650474, 14211493, 17300948, 28422986, 56845972, 99480451, 198960902, 397921804]

約数ペア:

[(1, 397921804), (2, 198960902), (4, 99480451), (7, 56845972), (14, 28422986), (23, 17300948), (28, 14211493), (46, 8650474), (92, 4325237), (161, 2471564), (322, 1235782), (433, 918988), (644, 617891), (866, 459494), (1427, 278852), (1732, 229747), (2854, 139426), (3031, 131284), (5708, 69713), (6062, 65642), (9959, 39956), (9989, 39836), (12124, 32821), (19918, 19978)]