266961344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{320867}}^1$

素因数の和:320892

約数の個数: 28

約数和(自身を含む): 570503304

約数和(自身を除く): 303541960

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 320867, 641734, 1283468, 2566936, 4171271, 5133872, 8342542, 10267744, 16685084, 20535488, 33370168, 66740336, 133480672, 266961344]

約数ペア:

[(1, 266961344), (2, 133480672), (4, 66740336), (8, 33370168), (13, 20535488), (16, 16685084), (26, 10267744), (32, 8342542), (52, 5133872), (64, 4171271), (104, 2566936), (208, 1283468), (416, 641734), (832, 320867)]