30891878138

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1759}}^1\times {\mathrm{2341}}^1$

素因数の和:4155

約数の個数: 48

約数和(自身を含む): 52628674560

約数和(自身を除く): 21736796422

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 1759, 2341, 3518, 3751, 4682, 7502, 19349, 25751, 38698, 51502, 54529, 72571, 109058, 145142, 212839, 283261, 425678, 566522, 599819, 798281, 1199638, 1596562, 4117819, 6598009, 8235638, 8781091, 13196018, 17562182, 45296009, 90592018, 127652389, 255304778, 498256099, 996512198, 1404176279, 2808352558, 15445939069, 30891878138]

約数ペア:

[(1, 30891878138), (2, 15445939069), (11, 2808352558), (22, 1404176279), (31, 996512198), (62, 498256099), (121, 255304778), (242, 127652389), (341, 90592018), (682, 45296009), (1759, 17562182), (2341, 13196018), (3518, 8781091), (3751, 8235638), (4682, 6598009), (7502, 4117819), (19349, 1596562), (25751, 1199638), (38698, 798281), (51502, 599819), (54529, 566522), (72571, 425678), (109058, 283261), (145142, 212839)]