66870656

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 143208000

約数和(自身を除く): 76337344

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 272, 316, 389, 544, 632, 778, 1088, 1264, 1343, 1556, 2176, 2528, 2686, 3112, 5056, 5372, 6224, 6613, 10112, 10744, 12448, 13226, 21488, 24896, 26452, 30731, 42976, 49792, 52904, 61462, 85952, 105808, 122924, 171904, 211616, 245848, 423232, 491696, 522427, 846464, 983392, 1044854, 1966784, 2089708, 3933568, 4179416, 8358832, 16717664, 33435328, 66870656]

約数ペア:

[(1, 66870656), (2, 33435328), (4, 16717664), (8, 8358832), (16, 4179416), (17, 3933568), (32, 2089708), (34, 1966784), (64, 1044854), (68, 983392), (79, 846464), (128, 522427), (136, 491696), (158, 423232), (272, 245848), (316, 211616), (389, 171904), (544, 122924), (632, 105808), (778, 85952), (1088, 61462), (1264, 52904), (1343, 49792), (1556, 42976), (2176, 30731), (2528, 26452), (2686, 24896), (3112, 21488), (5056, 13226), (5372, 12448), (6224, 10744), (6613, 10112)]