81426464

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21383}}^1$

素因数の和:21417

約数の個数: 48

約数和(自身を含む): 193995648

約数和(自身を除く): 112569184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 21383, 42766, 85532, 149681, 171064, 299362, 342128, 363511, 598724, 684256, 727022, 1197448, 1454044, 2394896, 2544577, 2908088, 4789792, 5089154, 5816176, 10178308, 11632352, 20356616, 40713232, 81426464]

約数ペア:

[(1, 81426464), (2, 40713232), (4, 20356616), (7, 11632352), (8, 10178308), (14, 5816176), (16, 5089154), (17, 4789792), (28, 2908088), (32, 2544577), (34, 2394896), (56, 1454044), (68, 1197448), (112, 727022), (119, 684256), (136, 598724), (224, 363511), (238, 342128), (272, 299362), (476, 171064), (544, 149681), (952, 85532), (1904, 42766), (3808, 21383)]