2181230272

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{201667}}^1$

素因数の和:201705

約数の個数: 42

約数和(自身を含む): 4686965988

約数和(自身を除く): 2505735716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 201667, 403334, 806668, 1613336, 2621671, 3226672, 5243342, 6453344, 10486684, 12906688, 20973368, 34081723, 41946736, 68163446, 83893472, 136326892, 167786944, 272653784, 545307568, 1090615136, 2181230272]

約数ペア:

[(1, 2181230272), (2, 1090615136), (4, 545307568), (8, 272653784), (13, 167786944), (16, 136326892), (26, 83893472), (32, 68163446), (52, 41946736), (64, 34081723), (104, 20973368), (169, 12906688), (208, 10486684), (338, 6453344), (416, 5243342), (676, 3226672), (832, 2621671), (1352, 1613336), (2704, 806668), (5408, 403334), (10816, 201667)]