40878026

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 72990720

約数和(自身を除く): 32112694

約数列:

[1, 2, 7, 14, 31, 62, 131, 217, 262, 434, 719, 917, 1438, 1834, 4061, 5033, 8122, 10066, 22289, 28427, 44578, 56854, 94189, 156023, 188378, 312046, 659323, 1318646, 2919859, 5839718, 20439013, 40878026]

約数ペア:

[(1, 40878026), (2, 20439013), (7, 5839718), (14, 2919859), (31, 1318646), (62, 659323), (131, 312046), (217, 188378), (262, 156023), (434, 94189), (719, 56854), (917, 44578), (1438, 28427), (1834, 22289), (4061, 10066), (5033, 8122)]