917921168

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 1909330176

約数和(自身を除く): 991409008

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 103, 122, 184, 206, 244, 368, 397, 412, 488, 794, 824, 976, 1403, 1588, 1648, 2369, 2806, 3176, 4738, 5612, 6283, 6352, 9131, 9476, 11224, 12566, 18262, 18952, 22448, 24217, 25132, 36524, 37904, 40891, 48434, 50264, 73048, 81782, 96868, 100528, 144509, 146096, 163564, 193736, 289018, 327128, 387472, 556991, 578036, 654256, 940493, 1113982, 1156072, 1880986, 2227964, 2312144, 2494351, 3761972, 4455928, 4988702, 7523944, 8911856, 9977404, 15047888, 19954808, 39909616, 57370073, 114740146, 229480292, 458960584, 917921168]

約数ペア:

[(1, 917921168), (2, 458960584), (4, 229480292), (8, 114740146), (16, 57370073), (23, 39909616), (46, 19954808), (61, 15047888), (92, 9977404), (103, 8911856), (122, 7523944), (184, 4988702), (206, 4455928), (244, 3761972), (368, 2494351), (397, 2312144), (412, 2227964), (488, 1880986), (794, 1156072), (824, 1113982), (976, 940493), (1403, 654256), (1588, 578036), (1648, 556991), (2369, 387472), (2806, 327128), (3176, 289018), (4738, 193736), (5612, 163564), (6283, 146096), (6352, 144509), (9131, 100528), (9476, 96868), (11224, 81782), (12566, 73048), (18262, 50264), (18952, 48434), (22448, 40891), (24217, 37904), (25132, 36524)]