391493552

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{1307}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 770898576

約数和(自身を除く): 379405024

約数列:

[1, 2, 4, 8, 16, 97, 193, 194, 386, 388, 772, 776, 1307, 1544, 1552, 2614, 3088, 5228, 10456, 18721, 20912, 37442, 74884, 126779, 149768, 252251, 253558, 299536, 504502, 507116, 1009004, 1014232, 2018008, 2028464, 4036016, 24468347, 48936694, 97873388, 195746776, 391493552]

約数ペア:

[(1, 391493552), (2, 195746776), (4, 97873388), (8, 48936694), (16, 24468347), (97, 4036016), (193, 2028464), (194, 2018008), (386, 1014232), (388, 1009004), (772, 507116), (776, 504502), (1307, 299536), (1544, 253558), (1552, 252251), (2614, 149768), (3088, 126779), (5228, 74884), (10456, 37442), (18721, 20912)]