26878430

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 49684320

約数和(自身を除く): 22805890

約数列:

[1, 2, 5, 10, 61, 122, 139, 278, 305, 317, 610, 634, 695, 1390, 1585, 3170, 8479, 16958, 19337, 38674, 42395, 44063, 84790, 88126, 96685, 193370, 220315, 440630, 2687843, 5375686, 13439215, 26878430]

約数ペア:

[(1, 26878430), (2, 13439215), (5, 5375686), (10, 2687843), (61, 440630), (122, 220315), (139, 193370), (278, 96685), (305, 88126), (317, 84790), (610, 44063), (634, 42395), (695, 38674), (1390, 19337), (1585, 16958), (3170, 8479)]