856554428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{363563}}^1$

素因数の和:363617

約数の個数: 24

約数和(自身を含む): 1628766720

約数和(自身を除く): 772212292

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 363563, 727126, 1454252, 6907697, 11270453, 13815394, 22540906, 27630788, 45081812, 214138607, 428277214, 856554428]

約数ペア:

[(1, 856554428), (2, 428277214), (4, 214138607), (19, 45081812), (31, 27630788), (38, 22540906), (62, 13815394), (76, 11270453), (124, 6907697), (589, 1454252), (1178, 727126), (2356, 363563)]