639261234

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2393}}^1$

素因数の和:2521

約数の個数: 80

約数和(自身を含む): 1532954808

約数和(自身を除く): 893693574

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 97, 102, 153, 162, 194, 291, 306, 459, 582, 873, 918, 1377, 1649, 1746, 2393, 2619, 2754, 3298, 4786, 4947, 5238, 7179, 7857, 9894, 14358, 14841, 15714, 21537, 29682, 40681, 43074, 44523, 64611, 81362, 89046, 122043, 129222, 133569, 193833, 232121, 244086, 267138, 366129, 387666, 464242, 696363, 732258, 1098387, 1392726, 2089089, 2196774, 3295161, 3946057, 4178178, 6267267, 6590322, 7892114, 11838171, 12534534, 18801801, 23676342, 35514513, 37603602, 71029026, 106543539, 213087078, 319630617, 639261234]

約数ペア:

[(1, 639261234), (2, 319630617), (3, 213087078), (6, 106543539), (9, 71029026), (17, 37603602), (18, 35514513), (27, 23676342), (34, 18801801), (51, 12534534), (54, 11838171), (81, 7892114), (97, 6590322), (102, 6267267), (153, 4178178), (162, 3946057), (194, 3295161), (291, 2196774), (306, 2089089), (459, 1392726), (582, 1098387), (873, 732258), (918, 696363), (1377, 464242), (1649, 387666), (1746, 366129), (2393, 267138), (2619, 244086), (2754, 232121), (3298, 193833), (4786, 133569), (4947, 129222), (5238, 122043), (7179, 89046), (7857, 81362), (9894, 64611), (14358, 44523), (14841, 43074), (15714, 40681), (21537, 29682)]