28586558

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 58544640

約数和(自身を除く): 29958082

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 109, 131, 143, 154, 182, 218, 262, 286, 763, 917, 1001, 1199, 1417, 1441, 1526, 1703, 1834, 2002, 2398, 2834, 2882, 3406, 8393, 9919, 10087, 11921, 14279, 15587, 16786, 18733, 19838, 20174, 23842, 28558, 31174, 37466, 99953, 109109, 131131, 157069, 185627, 199906, 218218, 262262, 314138, 371254, 1099483, 1299389, 2041897, 2198966, 2598778, 4083794, 14293279, 28586558]

約数ペア:

[(1, 28586558), (2, 14293279), (7, 4083794), (11, 2598778), (13, 2198966), (14, 2041897), (22, 1299389), (26, 1099483), (77, 371254), (91, 314138), (109, 262262), (131, 218218), (143, 199906), (154, 185627), (182, 157069), (218, 131131), (262, 109109), (286, 99953), (763, 37466), (917, 31174), (1001, 28558), (1199, 23842), (1417, 20174), (1441, 19838), (1526, 18733), (1703, 16786), (1834, 15587), (2002, 14279), (2398, 11921), (2834, 10087), (2882, 9919), (3406, 8393)]