74978384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{659}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 156969120

約数和(自身を除く): 81990736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 547, 659, 1094, 1318, 2188, 2636, 4376, 5272, 7111, 8567, 8752, 10544, 14222, 17134, 28444, 34268, 56888, 68536, 113776, 137072, 360473, 720946, 1441892, 2883784, 4686149, 5767568, 9372298, 18744596, 37489192, 74978384]

約数ペア:

[(1, 74978384), (2, 37489192), (4, 18744596), (8, 9372298), (13, 5767568), (16, 4686149), (26, 2883784), (52, 1441892), (104, 720946), (208, 360473), (547, 137072), (659, 113776), (1094, 68536), (1318, 56888), (2188, 34268), (2636, 28444), (4376, 17134), (5272, 14222), (7111, 10544), (8567, 8752)]