257254774

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{1667}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 450279936

約数和(自身を除く): 193025162

約数列:

[1, 2, 7, 14, 73, 146, 151, 302, 511, 1022, 1057, 1667, 2114, 3334, 11023, 11669, 22046, 23338, 77161, 121691, 154322, 243382, 251717, 503434, 851837, 1703674, 1762019, 3524038, 18375341, 36750682, 128627387, 257254774]

約数ペア:

[(1, 257254774), (2, 128627387), (7, 36750682), (14, 18375341), (73, 3524038), (146, 1762019), (151, 1703674), (302, 851837), (511, 503434), (1022, 251717), (1057, 243382), (1667, 154322), (2114, 121691), (3334, 77161), (11023, 23338), (11669, 22046)]