51638656

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 114750000

約数和(自身を除く): 63111344

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1249, 1292, 2176, 2432, 2498, 2584, 4996, 5168, 9992, 10336, 19984, 20672, 21233, 23731, 39968, 41344, 42466, 47462, 79936, 84932, 94924, 159872, 169864, 189848, 339728, 379696, 403427, 679456, 759392, 806854, 1358912, 1518784, 1613708, 2717824, 3037568, 3227416, 6454832, 12909664, 25819328, 51638656]

約数ペア:

[(1, 51638656), (2, 25819328), (4, 12909664), (8, 6454832), (16, 3227416), (17, 3037568), (19, 2717824), (32, 1613708), (34, 1518784), (38, 1358912), (64, 806854), (68, 759392), (76, 679456), (128, 403427), (136, 379696), (152, 339728), (272, 189848), (304, 169864), (323, 159872), (544, 94924), (608, 84932), (646, 79936), (1088, 47462), (1216, 42466), (1249, 41344), (1292, 39968), (2176, 23731), (2432, 21233), (2498, 20672), (2584, 19984), (4996, 10336), (5168, 9992)]