28617008

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1509

約数の個数: 40

約数和(自身を含む): 63736992

約数和(自身を除く): 35119984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1297, 1379, 1576, 2594, 2758, 3152, 5188, 5516, 9079, 10376, 11032, 18158, 20752, 22064, 36316, 72632, 145264, 255509, 511018, 1022036, 1788563, 2044072, 3577126, 4088144, 7154252, 14308504, 28617008]

約数ペア:

[(1, 28617008), (2, 14308504), (4, 7154252), (7, 4088144), (8, 3577126), (14, 2044072), (16, 1788563), (28, 1022036), (56, 511018), (112, 255509), (197, 145264), (394, 72632), (788, 36316), (1297, 22064), (1379, 20752), (1576, 18158), (2594, 11032), (2758, 10376), (3152, 9079), (5188, 5516)]