89720428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{45131}}^1$

素因数の和:45213

約数の個数: 24

約数和(自身を含む): 181972224

約数和(自身を除く): 92251796

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 45131, 90262, 180524, 315917, 631834, 1263668, 3204301, 6408602, 12817204, 22430107, 44860214, 89720428]

約数ペア:

[(1, 89720428), (2, 44860214), (4, 22430107), (7, 12817204), (14, 6408602), (28, 3204301), (71, 1263668), (142, 631834), (284, 315917), (497, 180524), (994, 90262), (1988, 45131)]