81924128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17903}}^1$

素因数の和:17937

約数の個数: 48

約数和(自身を含む): 189495936

約数和(自身を除く): 107571808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 17903, 35806, 71612, 143224, 196933, 232739, 286448, 393866, 465478, 572896, 787732, 930956, 1575464, 1861912, 2560129, 3150928, 3723824, 5120258, 6301856, 7447648, 10240516, 20481032, 40962064, 81924128]

約数ペア:

[(1, 81924128), (2, 40962064), (4, 20481032), (8, 10240516), (11, 7447648), (13, 6301856), (16, 5120258), (22, 3723824), (26, 3150928), (32, 2560129), (44, 1861912), (52, 1575464), (88, 930956), (104, 787732), (143, 572896), (176, 465478), (208, 393866), (286, 286448), (352, 232739), (416, 196933), (572, 143224), (1144, 71612), (2288, 35806), (4576, 17903)]