28906248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2357}}^1$

素因数の和:2446

約数の個数: 64

約数和(自身を含む): 83756160

約数和(自身を除く): 54849912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 146, 168, 219, 292, 438, 511, 584, 876, 1022, 1533, 1752, 2044, 2357, 3066, 4088, 4714, 6132, 7071, 9428, 12264, 14142, 16499, 18856, 28284, 32998, 49497, 56568, 65996, 98994, 131992, 172061, 197988, 344122, 395976, 516183, 688244, 1032366, 1204427, 1376488, 2064732, 2408854, 3613281, 4129464, 4817708, 7226562, 9635416, 14453124, 28906248]

約数ペア:

[(1, 28906248), (2, 14453124), (3, 9635416), (4, 7226562), (6, 4817708), (7, 4129464), (8, 3613281), (12, 2408854), (14, 2064732), (21, 1376488), (24, 1204427), (28, 1032366), (42, 688244), (56, 516183), (73, 395976), (84, 344122), (146, 197988), (168, 172061), (219, 131992), (292, 98994), (438, 65996), (511, 56568), (584, 49497), (876, 32998), (1022, 28284), (1533, 18856), (1752, 16499), (2044, 14142), (2357, 12264), (3066, 9428), (4088, 7071), (4714, 6132)]