1320201218

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{673}}^1$

素因数の和:1267

約数の個数: 48

約数和(自身を含む): 2373771384

約数和(自身を除く): 1053570166

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 541, 673, 1082, 1346, 1813, 3626, 3787, 4711, 7574, 9422, 20017, 24901, 26509, 32977, 40034, 49802, 53018, 65954, 140119, 174307, 280238, 348614, 364093, 728186, 980833, 1220149, 1961666, 2440298, 2548651, 5097302, 13471441, 17840557, 26942882, 35681114, 94300087, 188600174, 660100609, 1320201218]

約数ペア:

[(1, 1320201218), (2, 660100609), (7, 188600174), (14, 94300087), (37, 35681114), (49, 26942882), (74, 17840557), (98, 13471441), (259, 5097302), (518, 2548651), (541, 2440298), (673, 1961666), (1082, 1220149), (1346, 980833), (1813, 728186), (3626, 364093), (3787, 348614), (4711, 280238), (7574, 174307), (9422, 140119), (20017, 65954), (24901, 53018), (26509, 49802), (32977, 40034)]