646323904

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{51263}}^1$

素因数の和:51472

約数の個数: 28

約数和(自身を含む): 1289084544

約数和(自身を除く): 642760640

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1576, 3152, 6304, 12608, 51263, 102526, 205052, 410104, 820208, 1640416, 3280832, 10098811, 20197622, 40395244, 80790488, 161580976, 323161952, 646323904]

約数ペア:

[(1, 646323904), (2, 323161952), (4, 161580976), (8, 80790488), (16, 40395244), (32, 20197622), (64, 10098811), (197, 3280832), (394, 1640416), (788, 820208), (1576, 410104), (3152, 205052), (6304, 102526), (12608, 51263)]