28117656

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1253

約数の個数: 96

約数和(自身を含む): 88957440

約数和(自身を除く): 60839784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 56, 63, 72, 84, 94, 126, 141, 168, 188, 252, 282, 329, 376, 423, 504, 564, 658, 846, 987, 1128, 1187, 1316, 1692, 1974, 2374, 2632, 2961, 3384, 3561, 3948, 4748, 5922, 7122, 7896, 8309, 9496, 10683, 11844, 14244, 16618, 21366, 23688, 24927, 28488, 33236, 42732, 49854, 55789, 66472, 74781, 85464, 99708, 111578, 149562, 167367, 199416, 223156, 299124, 334734, 390523, 446312, 502101, 598248, 669468, 781046, 1004202, 1171569, 1338936, 1562092, 2008404, 2343138, 3124184, 3514707, 4016808, 4686276, 7029414, 9372552, 14058828, 28117656]

約数ペア:

[(1, 28117656), (2, 14058828), (3, 9372552), (4, 7029414), (6, 4686276), (7, 4016808), (8, 3514707), (9, 3124184), (12, 2343138), (14, 2008404), (18, 1562092), (21, 1338936), (24, 1171569), (28, 1004202), (36, 781046), (42, 669468), (47, 598248), (56, 502101), (63, 446312), (72, 390523), (84, 334734), (94, 299124), (126, 223156), (141, 199416), (168, 167367), (188, 149562), (252, 111578), (282, 99708), (329, 85464), (376, 74781), (423, 66472), (504, 55789), (564, 49854), (658, 42732), (846, 33236), (987, 28488), (1128, 24927), (1187, 23688), (1316, 21366), (1692, 16618), (1974, 14244), (2374, 11844), (2632, 10683), (2961, 9496), (3384, 8309), (3561, 7896), (3948, 7122), (4748, 5922)]