3893968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 8251208

約数和(自身を除く): 4357240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 193, 194, 208, 386, 388, 772, 776, 1261, 1544, 1552, 2509, 2522, 3088, 5018, 5044, 10036, 10088, 18721, 20072, 20176, 37442, 40144, 74884, 149768, 243373, 299536, 486746, 973492, 1946984, 3893968]

約数ペア:

[(1, 3893968), (2, 1946984), (4, 973492), (8, 486746), (13, 299536), (16, 243373), (26, 149768), (52, 74884), (97, 40144), (104, 37442), (193, 20176), (194, 20072), (208, 18721), (386, 10088), (388, 10036), (772, 5044), (776, 5018), (1261, 3088), (1544, 2522), (1552, 2509)]