71306128

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 143740800

約数和(自身を除く): 72434672

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 239, 464, 478, 643, 956, 1286, 1912, 2572, 3824, 5144, 6931, 10288, 13862, 18647, 27724, 37294, 55448, 74588, 110896, 149176, 153677, 298352, 307354, 614708, 1229416, 2458832, 4456633, 8913266, 17826532, 35653064, 71306128]

約数ペア:

[(1, 71306128), (2, 35653064), (4, 17826532), (8, 8913266), (16, 4456633), (29, 2458832), (58, 1229416), (116, 614708), (232, 307354), (239, 298352), (464, 153677), (478, 149176), (643, 110896), (956, 74588), (1286, 55448), (1912, 37294), (2572, 27724), (3824, 18647), (5144, 13862), (6931, 10288)]