31109488

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 63120960

約数和(自身を除く): 32011472

約数列:

[1, 2, 4, 8, 16, 41, 47, 82, 94, 164, 188, 328, 376, 656, 752, 1009, 1927, 2018, 3854, 4036, 7708, 8072, 15416, 16144, 30832, 41369, 47423, 82738, 94846, 165476, 189692, 330952, 379384, 661904, 758768, 1944343, 3888686, 7777372, 15554744, 31109488]

約数ペア:

[(1, 31109488), (2, 15554744), (4, 7777372), (8, 3888686), (16, 1944343), (41, 758768), (47, 661904), (82, 379384), (94, 330952), (164, 189692), (188, 165476), (328, 94846), (376, 82738), (656, 47423), (752, 41369), (1009, 30832), (1927, 16144), (2018, 15416), (3854, 8072), (4036, 7708)]