28718586

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 71705088

約数和(自身を除く): 42986502

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 37, 39, 62, 74, 78, 93, 107, 111, 117, 186, 214, 222, 234, 279, 321, 333, 403, 481, 558, 642, 666, 806, 962, 963, 1147, 1209, 1391, 1443, 1926, 2294, 2418, 2782, 2886, 3317, 3441, 3627, 3959, 4173, 4329, 6634, 6882, 7254, 7918, 8346, 8658, 9951, 10323, 11877, 12519, 14911, 19902, 20646, 23754, 25038, 29822, 29853, 35631, 43121, 44733, 51467, 59706, 71262, 86242, 89466, 102934, 122729, 129363, 134199, 154401, 245458, 258726, 268398, 308802, 368187, 388089, 463203, 736374, 776178, 926406, 1104561, 1595477, 2209122, 3190954, 4786431, 9572862, 14359293, 28718586]

約数ペア:

[(1, 28718586), (2, 14359293), (3, 9572862), (6, 4786431), (9, 3190954), (13, 2209122), (18, 1595477), (26, 1104561), (31, 926406), (37, 776178), (39, 736374), (62, 463203), (74, 388089), (78, 368187), (93, 308802), (107, 268398), (111, 258726), (117, 245458), (186, 154401), (214, 134199), (222, 129363), (234, 122729), (279, 102934), (321, 89466), (333, 86242), (403, 71262), (481, 59706), (558, 51467), (642, 44733), (666, 43121), (806, 35631), (962, 29853), (963, 29822), (1147, 25038), (1209, 23754), (1391, 20646), (1443, 19902), (1926, 14911), (2294, 12519), (2418, 11877), (2782, 10323), (2886, 9951), (3317, 8658), (3441, 8346), (3627, 7918), (3959, 7254), (4173, 6882), (4329, 6634)]