123576856

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 257040000

約数和(自身を除く): 133463144

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 89, 104, 158, 169, 178, 316, 338, 356, 632, 676, 712, 1027, 1157, 1352, 2054, 2197, 2314, 4108, 4394, 4628, 7031, 8216, 8788, 9256, 13351, 14062, 15041, 17576, 26702, 28124, 30082, 53404, 56248, 60164, 91403, 106808, 120328, 173563, 182806, 195533, 347126, 365612, 391066, 694252, 731224, 782132, 1188239, 1388504, 1564264, 2376478, 4752956, 9505912, 15447107, 30894214, 61788428, 123576856]

約数ペア:

[(1, 123576856), (2, 61788428), (4, 30894214), (8, 15447107), (13, 9505912), (26, 4752956), (52, 2376478), (79, 1564264), (89, 1388504), (104, 1188239), (158, 782132), (169, 731224), (178, 694252), (316, 391066), (338, 365612), (356, 347126), (632, 195533), (676, 182806), (712, 173563), (1027, 120328), (1157, 106808), (1352, 91403), (2054, 60164), (2197, 56248), (2314, 53404), (4108, 30082), (4394, 28124), (4628, 26702), (7031, 17576), (8216, 15041), (8788, 14062), (9256, 13351)]