13279556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 26127360

約数和(自身を除く): 12847804

約数列:

[1, 2, 4, 19, 23, 38, 46, 71, 76, 92, 107, 142, 214, 284, 428, 437, 874, 1349, 1633, 1748, 2033, 2461, 2698, 3266, 4066, 4922, 5396, 6532, 7597, 8132, 9844, 15194, 30388, 31027, 46759, 62054, 93518, 124108, 144343, 174731, 187036, 288686, 349462, 577372, 698924, 3319889, 6639778, 13279556]

約数ペア:

[(1, 13279556), (2, 6639778), (4, 3319889), (19, 698924), (23, 577372), (38, 349462), (46, 288686), (71, 187036), (76, 174731), (92, 144343), (107, 124108), (142, 93518), (214, 62054), (284, 46759), (428, 31027), (437, 30388), (874, 15194), (1349, 9844), (1633, 8132), (1748, 7597), (2033, 6532), (2461, 5396), (2698, 4922), (3266, 4066)]