28196390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 54210816

約数和(自身を除く): 26014426

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 2851, 4945, 5702, 9890, 14255, 28510, 65573, 122593, 131146, 245186, 327865, 612965, 655730, 1225930, 2819639, 5639278, 14098195, 28196390]

約数ペア:

[(1, 28196390), (2, 14098195), (5, 5639278), (10, 2819639), (23, 1225930), (43, 655730), (46, 612965), (86, 327865), (115, 245186), (215, 131146), (230, 122593), (430, 65573), (989, 28510), (1978, 14255), (2851, 9890), (4945, 5702)]