181715994928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{316649}}^1$

素因数の和:316790

約数の個数: 80

約数和(自身を含む): 395787168000

約数和(自身を除く): 214071173072

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 89, 104, 124, 178, 208, 248, 356, 403, 496, 712, 806, 1157, 1424, 1612, 2314, 2759, 3224, 4628, 5518, 6448, 9256, 11036, 18512, 22072, 35867, 44144, 71734, 143468, 286936, 316649, 573872, 633298, 1266596, 2533192, 4116437, 5066384, 8232874, 9816119, 16465748, 19632238, 28181761, 32931496, 39264476, 56363522, 65862992, 78528952, 112727044, 127609547, 157057904, 225454088, 255219094, 366362893, 450908176, 510438188, 732725786, 873634591, 1020876376, 1465451572, 1747269182, 2041752752, 2930903144, 3494538364, 5861806288, 6989076728, 11357249683, 13978153456, 22714499366, 45428998732, 90857997464, 181715994928]

約数ペア:

[(1, 181715994928), (2, 90857997464), (4, 45428998732), (8, 22714499366), (13, 13978153456), (16, 11357249683), (26, 6989076728), (31, 5861806288), (52, 3494538364), (62, 2930903144), (89, 2041752752), (104, 1747269182), (124, 1465451572), (178, 1020876376), (208, 873634591), (248, 732725786), (356, 510438188), (403, 450908176), (496, 366362893), (712, 255219094), (806, 225454088), (1157, 157057904), (1424, 127609547), (1612, 112727044), (2314, 78528952), (2759, 65862992), (3224, 56363522), (4628, 39264476), (5518, 32931496), (6448, 28181761), (9256, 19632238), (11036, 16465748), (18512, 9816119), (22072, 8232874), (35867, 5066384), (44144, 4116437), (71734, 2533192), (143468, 1266596), (286936, 633298), (316649, 573872)]