657216128

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1231}}^1$

素因数の和:1385

約数の個数: 64

約数和(自身を含む): 1354657920

約数和(自身を除く): 697441792

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 97, 128, 172, 194, 344, 388, 688, 776, 1231, 1376, 1552, 2462, 2752, 3104, 4171, 4924, 5504, 6208, 8342, 9848, 12416, 16684, 19696, 33368, 39392, 52933, 66736, 78784, 105866, 119407, 133472, 157568, 211732, 238814, 266944, 423464, 477628, 533888, 846928, 955256, 1693856, 1910512, 3387712, 3821024, 5134501, 6775424, 7642048, 10269002, 15284096, 20538004, 41076008, 82152016, 164304032, 328608064, 657216128]

約数ペア:

[(1, 657216128), (2, 328608064), (4, 164304032), (8, 82152016), (16, 41076008), (32, 20538004), (43, 15284096), (64, 10269002), (86, 7642048), (97, 6775424), (128, 5134501), (172, 3821024), (194, 3387712), (344, 1910512), (388, 1693856), (688, 955256), (776, 846928), (1231, 533888), (1376, 477628), (1552, 423464), (2462, 266944), (2752, 238814), (3104, 211732), (4171, 157568), (4924, 133472), (5504, 119407), (6208, 105866), (8342, 78784), (9848, 66736), (12416, 52933), (16684, 39392), (19696, 33368)]