28025790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71861}}^1$

素因数の和:71884

約数の個数: 32

約数和(自身を含む): 72436896

約数和(自身を除く): 44411106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71861, 143722, 215583, 359305, 431166, 718610, 934193, 1077915, 1868386, 2155830, 2802579, 4670965, 5605158, 9341930, 14012895, 28025790]

約数ペア:

[(1, 28025790), (2, 14012895), (3, 9341930), (5, 5605158), (6, 4670965), (10, 2802579), (13, 2155830), (15, 1868386), (26, 1077915), (30, 934193), (39, 718610), (65, 431166), (78, 359305), (130, 215583), (195, 143722), (390, 71861)]