28700868

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 82432000

約数和(自身を除く): 53731132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 343, 367, 399, 532, 588, 686, 734, 798, 931, 1029, 1101, 1372, 1468, 1596, 1862, 2058, 2202, 2569, 2793, 3724, 4116, 4404, 5138, 5586, 6517, 6973, 7707, 10276, 11172, 13034, 13946, 15414, 17983, 19551, 20919, 26068, 27892, 30828, 35966, 39102, 41838, 48811, 53949, 71932, 78204, 83676, 97622, 107898, 125881, 146433, 195244, 215796, 251762, 292866, 341677, 377643, 503524, 585732, 683354, 755286, 1025031, 1366708, 1510572, 2050062, 2391739, 4100124, 4783478, 7175217, 9566956, 14350434, 28700868]

約数ペア:

[(1, 28700868), (2, 14350434), (3, 9566956), (4, 7175217), (6, 4783478), (7, 4100124), (12, 2391739), (14, 2050062), (19, 1510572), (21, 1366708), (28, 1025031), (38, 755286), (42, 683354), (49, 585732), (57, 503524), (76, 377643), (84, 341677), (98, 292866), (114, 251762), (133, 215796), (147, 195244), (196, 146433), (228, 125881), (266, 107898), (294, 97622), (343, 83676), (367, 78204), (399, 71932), (532, 53949), (588, 48811), (686, 41838), (734, 39102), (798, 35966), (931, 30828), (1029, 27892), (1101, 26068), (1372, 20919), (1468, 19551), (1596, 17983), (1862, 15414), (2058, 13946), (2202, 13034), (2569, 11172), (2793, 10276), (3724, 7707), (4116, 6973), (4404, 6517), (5138, 5586)]