215954878

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 338349312

約数和(自身を除く): 122394434

約数列:

[1, 2, 71, 73, 83, 142, 146, 166, 251, 502, 5183, 5893, 6059, 10366, 11786, 12118, 17821, 18323, 20833, 35642, 36646, 41666, 430189, 860378, 1300933, 1479143, 1520809, 2601866, 2958286, 3041618, 107977439, 215954878]

約数ペア:

[(1, 215954878), (2, 107977439), (71, 3041618), (73, 2958286), (83, 2601866), (142, 1520809), (146, 1479143), (166, 1300933), (251, 860378), (502, 430189), (5183, 41666), (5893, 36646), (6059, 35642), (10366, 20833), (11786, 18323), (12118, 17821)]