281216

素因数分解:

$2^7\times {\mathrm{13}}^3$

素因数の和:53

約数の個数: 32

約数和(自身を含む): 606900

約数和(自身を除く): 325684

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2197, 2704, 4394, 5408, 8788, 10816, 17576, 21632, 35152, 70304, 140608, 281216]

約数ペア:

[(1, 281216), (2, 140608), (4, 70304), (8, 35152), (13, 21632), (16, 17576), (26, 10816), (32, 8788), (52, 5408), (64, 4394), (104, 2704), (128, 2197), (169, 1664), (208, 1352), (338, 832), (416, 676)]