64470416

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 129470880

約数和(自身を除く): 65000464

約数列:

[1, 2, 4, 8, 16, 43, 83, 86, 166, 172, 332, 344, 664, 688, 1129, 1328, 2258, 3569, 4516, 7138, 9032, 14276, 18064, 28552, 48547, 57104, 93707, 97094, 187414, 194188, 374828, 388376, 749656, 776752, 1499312, 4029401, 8058802, 16117604, 32235208, 64470416]

約数ペア:

[(1, 64470416), (2, 32235208), (4, 16117604), (8, 8058802), (16, 4029401), (43, 1499312), (83, 776752), (86, 749656), (166, 388376), (172, 374828), (332, 194188), (344, 187414), (664, 97094), (688, 93707), (1129, 57104), (1328, 48547), (2258, 28552), (3569, 18064), (4516, 14276), (7138, 9032)]