320801858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 528894576

約数和(自身を除く): 208092718

約数列:

[1, 2, 13, 26, 73, 146, 173, 346, 949, 977, 1898, 1954, 2249, 4498, 12629, 12701, 25258, 25402, 71321, 142642, 164177, 169021, 328354, 338042, 927173, 1854346, 2197273, 4394546, 12338533, 24677066, 160400929, 320801858]

約数ペア:

[(1, 320801858), (2, 160400929), (13, 24677066), (26, 12338533), (73, 4394546), (146, 2197273), (173, 1854346), (346, 927173), (949, 338042), (977, 328354), (1898, 169021), (1954, 164177), (2249, 142642), (4498, 71321), (12629, 25402), (12701, 25258)]