397777216

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{87539}}^1$

素因数の和:87622

約数の個数: 28

約数和(自身を含む): 800465760

約数和(自身を除く): 402688544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 87539, 175078, 350156, 700312, 1400624, 2801248, 5602496, 6215269, 12430538, 24861076, 49722152, 99444304, 198888608, 397777216]

約数ペア:

[(1, 397777216), (2, 198888608), (4, 99444304), (8, 49722152), (16, 24861076), (32, 12430538), (64, 6215269), (71, 5602496), (142, 2801248), (284, 1400624), (568, 700312), (1136, 350156), (2272, 175078), (4544, 87539)]