289957642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{7237}}^1$

素因数の和:7342

約数の個数: 32

約数和(自身を含む): 496121472

約数和(自身を除く): 206163830

約数列:

[1, 2, 13, 23, 26, 46, 67, 134, 299, 598, 871, 1541, 1742, 3082, 7237, 14474, 20033, 40066, 94081, 166451, 188162, 332902, 484879, 969758, 2163863, 4327726, 6303427, 11152217, 12606854, 22304434, 144978821, 289957642]

約数ペア:

[(1, 289957642), (2, 144978821), (13, 22304434), (23, 12606854), (26, 11152217), (46, 6303427), (67, 4327726), (134, 2163863), (299, 969758), (598, 484879), (871, 332902), (1541, 188162), (1742, 166451), (3082, 94081), (7237, 40066), (14474, 20033)]