25222197

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 46577664

約数和(自身を除く): 21355467

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 111, 143, 227, 231, 259, 273, 407, 429, 481, 681, 777, 1001, 1221, 1443, 1589, 2497, 2849, 2951, 3003, 3367, 4767, 5291, 7491, 8399, 8547, 8853, 10101, 15873, 17479, 20657, 25197, 32461, 37037, 52437, 58793, 61971, 92389, 97383, 109187, 111111, 176379, 227227, 277167, 327561, 646723, 681681, 764309, 1201057, 1940169, 2292927, 3603171, 8407399, 25222197]

約数ペア:

[(1, 25222197), (3, 8407399), (7, 3603171), (11, 2292927), (13, 1940169), (21, 1201057), (33, 764309), (37, 681681), (39, 646723), (77, 327561), (91, 277167), (111, 227227), (143, 176379), (227, 111111), (231, 109187), (259, 97383), (273, 92389), (407, 61971), (429, 58793), (481, 52437), (681, 37037), (777, 32461), (1001, 25197), (1221, 20657), (1443, 17479), (1589, 15873), (2497, 10101), (2849, 8853), (2951, 8547), (3003, 8399), (3367, 7491), (4767, 5291)]