28345284

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2361

約数の個数: 72

約数和(自身を含む): 80720640

約数和(自身を除く): 52375356

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 2046, 2309, 3069, 4092, 4618, 6138, 6927, 9236, 12276, 13854, 20781, 25399, 27708, 41562, 50798, 71579, 76197, 83124, 101596, 143158, 152394, 214737, 228591, 286316, 304788, 429474, 457182, 644211, 787369, 858948, 914364, 1288422, 1574738, 2362107, 2576844, 3149476, 4724214, 7086321, 9448428, 14172642, 28345284]

約数ペア:

[(1, 28345284), (2, 14172642), (3, 9448428), (4, 7086321), (6, 4724214), (9, 3149476), (11, 2576844), (12, 2362107), (18, 1574738), (22, 1288422), (31, 914364), (33, 858948), (36, 787369), (44, 644211), (62, 457182), (66, 429474), (93, 304788), (99, 286316), (124, 228591), (132, 214737), (186, 152394), (198, 143158), (279, 101596), (341, 83124), (372, 76197), (396, 71579), (558, 50798), (682, 41562), (1023, 27708), (1116, 25399), (1364, 20781), (2046, 13854), (2309, 12276), (3069, 9236), (4092, 6927), (4618, 6138)]