248914221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 385689600

約数和(自身を除く): 136775379

約数列:

[1, 3, 17, 29, 31, 51, 61, 87, 89, 93, 183, 267, 493, 527, 899, 1037, 1479, 1513, 1581, 1769, 1891, 2581, 2697, 2759, 3111, 4539, 5307, 5429, 5673, 7743, 8277, 15283, 16287, 30073, 32147, 43877, 45849, 46903, 54839, 80011, 90219, 92293, 96441, 131631, 140709, 157441, 164517, 168299, 240033, 276879, 472323, 504897, 932263, 1360187, 2676497, 2796789, 2861083, 4080561, 4880671, 8029491, 8583249, 14642013, 82971407, 248914221]

約数ペア:

[(1, 248914221), (3, 82971407), (17, 14642013), (29, 8583249), (31, 8029491), (51, 4880671), (61, 4080561), (87, 2861083), (89, 2796789), (93, 2676497), (183, 1360187), (267, 932263), (493, 504897), (527, 472323), (899, 276879), (1037, 240033), (1479, 168299), (1513, 164517), (1581, 157441), (1769, 140709), (1891, 131631), (2581, 96441), (2697, 92293), (2759, 90219), (3111, 80011), (4539, 54839), (5307, 46903), (5429, 45849), (5673, 43877), (7743, 32147), (8277, 30073), (15283, 16287)]