28479906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17387}}^1$

素因数の和:17415

約数の個数: 48

約数和(自身を含む): 75950784

約数和(自身を除く): 47470878

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 17387, 34774, 52161, 104322, 121709, 156483, 226031, 243418, 312966, 365127, 452062, 678093, 730254, 1095381, 1356186, 1582217, 2034279, 2190762, 3164434, 4068558, 4746651, 9493302, 14239953, 28479906]

約数ペア:

[(1, 28479906), (2, 14239953), (3, 9493302), (6, 4746651), (7, 4068558), (9, 3164434), (13, 2190762), (14, 2034279), (18, 1582217), (21, 1356186), (26, 1095381), (39, 730254), (42, 678093), (63, 452062), (78, 365127), (91, 312966), (117, 243418), (126, 226031), (182, 156483), (234, 121709), (273, 104322), (546, 52161), (819, 34774), (1638, 17387)]