251012355256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{20411}}^1\times {\mathrm{118249}}^1$

素因数の和:138679

約数の個数: 32

約数和(自身を含む): 506880990000

約数和(自身を除く): 255868634744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 20411, 40822, 81644, 118249, 163288, 236498, 265343, 472996, 530686, 945992, 1061372, 1537237, 2122744, 3074474, 6148948, 12297896, 2413580339, 4827160678, 9654321356, 19308642712, 31376544407, 62753088814, 125506177628, 251012355256]

約数ペア:

[(1, 251012355256), (2, 125506177628), (4, 62753088814), (8, 31376544407), (13, 19308642712), (26, 9654321356), (52, 4827160678), (104, 2413580339), (20411, 12297896), (40822, 6148948), (81644, 3074474), (118249, 2122744), (163288, 1537237), (236498, 1061372), (265343, 945992), (472996, 530686)]