28702008

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20981}}^1$

素因数の和:21012

約数の個数: 48

約数和(自身を含む): 81829800

約数和(自身を除く): 53127792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20981, 41962, 62943, 83924, 125886, 167848, 188829, 251772, 377658, 398639, 503544, 755316, 797278, 1195917, 1510632, 1594556, 2391834, 3189112, 3587751, 4783668, 7175502, 9567336, 14351004, 28702008]

約数ペア:

[(1, 28702008), (2, 14351004), (3, 9567336), (4, 7175502), (6, 4783668), (8, 3587751), (9, 3189112), (12, 2391834), (18, 1594556), (19, 1510632), (24, 1195917), (36, 797278), (38, 755316), (57, 503544), (72, 398639), (76, 377658), (114, 251772), (152, 188829), (171, 167848), (228, 125886), (342, 83924), (456, 62943), (684, 41962), (1368, 20981)]