149820209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 191987712

約数和(自身を除く): 42167503

約数列:

[1, 7, 11, 61, 77, 167, 191, 427, 671, 1169, 1337, 1837, 2101, 4697, 10187, 11651, 12859, 14707, 31897, 71309, 81557, 112057, 128161, 223279, 350867, 784399, 897127, 1945717, 2456069, 13620019, 21402887, 149820209]

約数ペア:

[(1, 149820209), (7, 21402887), (11, 13620019), (61, 2456069), (77, 1945717), (167, 897127), (191, 784399), (427, 350867), (671, 223279), (1169, 128161), (1337, 112057), (1837, 81557), (2101, 71309), (4697, 31897), (10187, 14707), (11651, 12859)]