671657968

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1801

約数の個数: 40

約数和(自身を含む): 1317603168

約数和(自身を除く): 645945200

約数列:

[1, 2, 4, 8, 16, 167, 173, 334, 346, 668, 692, 1336, 1384, 1453, 2672, 2768, 2906, 5812, 11624, 23248, 28891, 57782, 115564, 231128, 242651, 251369, 462256, 485302, 502738, 970604, 1005476, 1941208, 2010952, 3882416, 4021904, 41978623, 83957246, 167914492, 335828984, 671657968]

約数ペア:

[(1, 671657968), (2, 335828984), (4, 167914492), (8, 83957246), (16, 41978623), (167, 4021904), (173, 3882416), (334, 2010952), (346, 1941208), (668, 1005476), (692, 970604), (1336, 502738), (1384, 485302), (1453, 462256), (2672, 251369), (2768, 242651), (2906, 231128), (5812, 115564), (11624, 57782), (23248, 28891)]