25665516

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 68490240

約数和(自身を除く): 42824724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 139, 207, 223, 276, 278, 414, 417, 446, 556, 669, 828, 834, 892, 1251, 1338, 1668, 2007, 2502, 2676, 3197, 4014, 5004, 5129, 6394, 8028, 9591, 10258, 12788, 15387, 19182, 20516, 28773, 30774, 30997, 38364, 46161, 57546, 61548, 61994, 92322, 92991, 115092, 123988, 184644, 185982, 278973, 371964, 557946, 712931, 1115892, 1425862, 2138793, 2851724, 4277586, 6416379, 8555172, 12832758, 25665516]

約数ペア:

[(1, 25665516), (2, 12832758), (3, 8555172), (4, 6416379), (6, 4277586), (9, 2851724), (12, 2138793), (18, 1425862), (23, 1115892), (36, 712931), (46, 557946), (69, 371964), (92, 278973), (138, 185982), (139, 184644), (207, 123988), (223, 115092), (276, 92991), (278, 92322), (414, 61994), (417, 61548), (446, 57546), (556, 46161), (669, 38364), (828, 30997), (834, 30774), (892, 28773), (1251, 20516), (1338, 19182), (1668, 15387), (2007, 12788), (2502, 10258), (2676, 9591), (3197, 8028), (4014, 6394), (5004, 5129)]