15939784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 36633600

約数和(自身を除く): 20693816

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 71, 76, 133, 142, 152, 211, 266, 284, 422, 497, 532, 568, 844, 994, 1064, 1349, 1477, 1688, 1988, 2698, 2954, 3976, 4009, 5396, 5908, 8018, 9443, 10792, 11816, 14981, 16036, 18886, 28063, 29962, 32072, 37772, 56126, 59924, 75544, 104867, 112252, 119848, 209734, 224504, 284639, 419468, 569278, 838936, 1138556, 1992473, 2277112, 3984946, 7969892, 15939784]

約数ペア:

[(1, 15939784), (2, 7969892), (4, 3984946), (7, 2277112), (8, 1992473), (14, 1138556), (19, 838936), (28, 569278), (38, 419468), (56, 284639), (71, 224504), (76, 209734), (133, 119848), (142, 112252), (152, 104867), (211, 75544), (266, 59924), (284, 56126), (422, 37772), (497, 32072), (532, 29962), (568, 28063), (844, 18886), (994, 16036), (1064, 14981), (1349, 11816), (1477, 10792), (1688, 9443), (1988, 8018), (2698, 5908), (2954, 5396), (3976, 4009)]