399040544

素因数分解:

$2^5\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2647}}^1$

素因数の和:3337

約数の個数: 48

約数和(自身を含む): 899515008

約数和(自身を除く): 500474464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 673, 1346, 2647, 2692, 4711, 5294, 5384, 9422, 10588, 10768, 18529, 18844, 21176, 21536, 37058, 37688, 42352, 74116, 75376, 84704, 148232, 150752, 296464, 592928, 1781431, 3562862, 7125724, 12470017, 14251448, 24940034, 28502896, 49880068, 57005792, 99760136, 199520272, 399040544]

約数ペア:

[(1, 399040544), (2, 199520272), (4, 99760136), (7, 57005792), (8, 49880068), (14, 28502896), (16, 24940034), (28, 14251448), (32, 12470017), (56, 7125724), (112, 3562862), (224, 1781431), (673, 592928), (1346, 296464), (2647, 150752), (2692, 148232), (4711, 84704), (5294, 75376), (5384, 74116), (9422, 42352), (10588, 37688), (10768, 37058), (18529, 21536), (18844, 21176)]