71497712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31249}}^1$

素因数の和:31281

約数の個数: 40

約数和(自身を含む): 162750000

約数和(自身を除く): 91252288

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 31249, 62498, 124996, 249992, 343739, 406237, 499984, 687478, 812474, 1374956, 1624948, 2749912, 3249896, 4468607, 5499824, 6499792, 8937214, 17874428, 35748856, 71497712]

約数ペア:

[(1, 71497712), (2, 35748856), (4, 17874428), (8, 8937214), (11, 6499792), (13, 5499824), (16, 4468607), (22, 3249896), (26, 2749912), (44, 1624948), (52, 1374956), (88, 812474), (104, 687478), (143, 499984), (176, 406237), (208, 343739), (286, 249992), (572, 124996), (1144, 62498), (2288, 31249)]