78405728

素因数分解:

$2^5\times {\mathrm{113}}^1\times {\mathrm{21683}}^1$

素因数の和:21806

約数の個数: 24

約数和(自身を含む): 155734488

約数和(自身を除く): 77328760

約数列:

[1, 2, 4, 8, 16, 32, 113, 226, 452, 904, 1808, 3616, 21683, 43366, 86732, 173464, 346928, 693856, 2450179, 4900358, 9800716, 19601432, 39202864, 78405728]

約数ペア:

[(1, 78405728), (2, 39202864), (4, 19601432), (8, 9800716), (16, 4900358), (32, 2450179), (113, 693856), (226, 346928), (452, 173464), (904, 86732), (1808, 43366), (3616, 21683)]