2011168985

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 2851656192

約数和(自身を除く): 840487207

約数列:

[1, 5, 7, 35, 49, 131, 223, 245, 281, 655, 917, 1115, 1405, 1561, 1967, 4585, 6419, 7805, 9835, 10927, 13769, 29213, 32095, 36811, 54635, 62663, 68845, 146065, 184055, 204491, 257677, 313315, 438641, 1022455, 1288385, 1431437, 1803739, 2193205, 3070487, 7157185, 8208853, 9018695, 15352435, 41044265, 57461971, 287309855, 402233797, 2011168985]

約数ペア:

[(1, 2011168985), (5, 402233797), (7, 287309855), (35, 57461971), (49, 41044265), (131, 15352435), (223, 9018695), (245, 8208853), (281, 7157185), (655, 3070487), (917, 2193205), (1115, 1803739), (1405, 1431437), (1561, 1288385), (1967, 1022455), (4585, 438641), (6419, 313315), (7805, 257677), (9835, 204491), (10927, 184055), (13769, 146065), (29213, 68845), (32095, 62663), (36811, 54635)]