389623576

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 791424000

約数和(自身を除く): 401800424

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 79, 142, 152, 158, 284, 316, 457, 568, 632, 914, 1349, 1501, 1828, 2698, 3002, 3656, 5396, 5609, 6004, 8683, 10792, 11218, 12008, 17366, 22436, 32447, 34732, 36103, 44872, 64894, 69464, 72206, 106571, 129788, 144412, 213142, 259576, 288824, 426284, 616493, 685957, 852568, 1232986, 1371914, 2465972, 2563313, 2743828, 4931944, 5126626, 5487656, 10253252, 20506504, 48702947, 97405894, 194811788, 389623576]

約数ペア:

[(1, 389623576), (2, 194811788), (4, 97405894), (8, 48702947), (19, 20506504), (38, 10253252), (71, 5487656), (76, 5126626), (79, 4931944), (142, 2743828), (152, 2563313), (158, 2465972), (284, 1371914), (316, 1232986), (457, 852568), (568, 685957), (632, 616493), (914, 426284), (1349, 288824), (1501, 259576), (1828, 213142), (2698, 144412), (3002, 129788), (3656, 106571), (5396, 72206), (5609, 69464), (6004, 64894), (8683, 44872), (10792, 36103), (11218, 34732), (12008, 32447), (17366, 22436)]