216490535872

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{20015767}}^1$

素因数の和:20015805

約数の個数: 42

約数和(自身を含む): 465186464088

約数和(自身を除く): 248695928216

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 20015767, 40031534, 80063068, 160126136, 260204971, 320252272, 520409942, 640504544, 1040819884, 1281009088, 2081639768, 3382664623, 4163279536, 6765329246, 8326559072, 13530658492, 16653118144, 27061316984, 54122633968, 108245267936, 216490535872]

約数ペア:

[(1, 216490535872), (2, 108245267936), (4, 54122633968), (8, 27061316984), (13, 16653118144), (16, 13530658492), (26, 8326559072), (32, 6765329246), (52, 4163279536), (64, 3382664623), (104, 2081639768), (169, 1281009088), (208, 1040819884), (338, 640504544), (416, 520409942), (676, 320252272), (832, 260204971), (1352, 160126136), (2704, 80063068), (5408, 40031534), (10816, 20015767)]