28223778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 37716702

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 71, 114, 142, 209, 213, 317, 418, 426, 627, 634, 781, 951, 1254, 1349, 1562, 1902, 2343, 2698, 3487, 4047, 4686, 6023, 6974, 8094, 10461, 12046, 14839, 18069, 20922, 22507, 29678, 36138, 44517, 45014, 66253, 67521, 89034, 132506, 135042, 198759, 247577, 397518, 427633, 495154, 742731, 855266, 1282899, 1485462, 2565798, 4703963, 9407926, 14111889, 28223778]

約数ペア:

[(1, 28223778), (2, 14111889), (3, 9407926), (6, 4703963), (11, 2565798), (19, 1485462), (22, 1282899), (33, 855266), (38, 742731), (57, 495154), (66, 427633), (71, 397518), (114, 247577), (142, 198759), (209, 135042), (213, 132506), (317, 89034), (418, 67521), (426, 66253), (627, 45014), (634, 44517), (781, 36138), (951, 29678), (1254, 22507), (1349, 20922), (1562, 18069), (1902, 14839), (2343, 12046), (2698, 10461), (3487, 8094), (4047, 6974), (4686, 6023)]