28073864

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 66192000

約数和(自身を除く): 38118136

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 728, 787, 1274, 1372, 1574, 2548, 2744, 3148, 4459, 5096, 5509, 6296, 8918, 10231, 11018, 17836, 20462, 22036, 35672, 38563, 40924, 44072, 71617, 77126, 81848, 143234, 154252, 269941, 286468, 308504, 501319, 539882, 572936, 1002638, 1079764, 2005276, 2159528, 3509233, 4010552, 7018466, 14036932, 28073864]

約数ペア:

[(1, 28073864), (2, 14036932), (4, 7018466), (7, 4010552), (8, 3509233), (13, 2159528), (14, 2005276), (26, 1079764), (28, 1002638), (49, 572936), (52, 539882), (56, 501319), (91, 308504), (98, 286468), (104, 269941), (182, 154252), (196, 143234), (343, 81848), (364, 77126), (392, 71617), (637, 44072), (686, 40924), (728, 38563), (787, 35672), (1274, 22036), (1372, 20462), (1574, 17836), (2548, 11018), (2744, 10231), (3148, 8918), (4459, 6296), (5096, 5509)]