172051256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 360729600

約数和(自身を除く): 188678344

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 79, 86, 104, 158, 172, 316, 344, 487, 559, 632, 974, 1027, 1118, 1948, 2054, 2236, 3397, 3896, 4108, 4472, 6331, 6794, 8216, 12662, 13588, 20941, 25324, 27176, 38473, 41882, 44161, 50648, 76946, 83764, 88322, 153892, 167528, 176644, 272233, 307784, 353288, 500149, 544466, 1000298, 1088932, 1654339, 2000596, 2177864, 3308678, 4001192, 6617356, 13234712, 21506407, 43012814, 86025628, 172051256]

約数ペア:

[(1, 172051256), (2, 86025628), (4, 43012814), (8, 21506407), (13, 13234712), (26, 6617356), (43, 4001192), (52, 3308678), (79, 2177864), (86, 2000596), (104, 1654339), (158, 1088932), (172, 1000298), (316, 544466), (344, 500149), (487, 353288), (559, 307784), (632, 272233), (974, 176644), (1027, 167528), (1118, 153892), (1948, 88322), (2054, 83764), (2236, 76946), (3397, 50648), (3896, 44161), (4108, 41882), (4472, 38473), (6331, 27176), (6794, 25324), (8216, 20941), (12662, 13588)]