15721971402

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{11981}}^1$

素因数の和:12303

約数の個数: 64

約数和(自身を含む): 33831800064

約数和(自身を除く): 18109828662

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 222, 257, 514, 771, 851, 1542, 1702, 2553, 5106, 5911, 9509, 11822, 11981, 17733, 19018, 23962, 28527, 35466, 35943, 57054, 71886, 218707, 275563, 437414, 443297, 551126, 656121, 826689, 886594, 1312242, 1329891, 1653378, 2659782, 3079117, 6158234, 9237351, 10195831, 18474702, 20391662, 30587493, 61174986, 70819691, 113927329, 141639382, 212459073, 227854658, 341781987, 424918146, 683563974, 2620328567, 5240657134, 7860985701, 15721971402]

約数ペア:

[(1, 15721971402), (2, 7860985701), (3, 5240657134), (6, 2620328567), (23, 683563974), (37, 424918146), (46, 341781987), (69, 227854658), (74, 212459073), (111, 141639382), (138, 113927329), (222, 70819691), (257, 61174986), (514, 30587493), (771, 20391662), (851, 18474702), (1542, 10195831), (1702, 9237351), (2553, 6158234), (5106, 3079117), (5911, 2659782), (9509, 1653378), (11822, 1329891), (11981, 1312242), (17733, 886594), (19018, 826689), (23962, 656121), (28527, 551126), (35466, 443297), (35943, 437414), (57054, 275563), (71886, 218707)]