28720198

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2741}}^1$

素因数の和:2800

約数の個数: 24

約数和(自身を含む): 48171456

約数和(自身を除く): 19451258

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2741, 5239, 5482, 10478, 35633, 71266, 84971, 169942, 463229, 926458, 1104623, 2209246, 14360099, 28720198]

約数ペア:

[(1, 28720198), (2, 14360099), (13, 2209246), (26, 1104623), (31, 926458), (62, 463229), (169, 169942), (338, 84971), (403, 71266), (806, 35633), (2741, 10478), (5239, 5482)]