664386944

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{399271}}^1$

素因数の和:399298

約数の個数: 32

約数和(自身を含む): 1425401040

約数和(自身を除く): 761014096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 399271, 798542, 1597084, 3194168, 5190523, 6388336, 10381046, 12776672, 20762092, 25553344, 41524184, 51106688, 83048368, 166096736, 332193472, 664386944]

約数ペア:

[(1, 664386944), (2, 332193472), (4, 166096736), (8, 83048368), (13, 51106688), (16, 41524184), (26, 25553344), (32, 20762092), (52, 12776672), (64, 10381046), (104, 6388336), (128, 5190523), (208, 3194168), (416, 1597084), (832, 798542), (1664, 399271)]