201993688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 418068000

約数和(自身を除く): 216074312

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 139, 157, 178, 278, 314, 356, 556, 628, 712, 1112, 1157, 1256, 1807, 2041, 2314, 3614, 4082, 4628, 7228, 8164, 9256, 12371, 13973, 14456, 16328, 21823, 24742, 27946, 43646, 49484, 55892, 87292, 98968, 111784, 160823, 174584, 181649, 283699, 321646, 363298, 567398, 643292, 726596, 1134796, 1286584, 1453192, 1942247, 2269592, 3884494, 7768988, 15537976, 25249211, 50498422, 100996844, 201993688]

約数ペア:

[(1, 201993688), (2, 100996844), (4, 50498422), (8, 25249211), (13, 15537976), (26, 7768988), (52, 3884494), (89, 2269592), (104, 1942247), (139, 1453192), (157, 1286584), (178, 1134796), (278, 726596), (314, 643292), (356, 567398), (556, 363298), (628, 321646), (712, 283699), (1112, 181649), (1157, 174584), (1256, 160823), (1807, 111784), (2041, 98968), (2314, 87292), (3614, 55892), (4082, 49484), (4628, 43646), (7228, 27946), (8164, 24742), (9256, 21823), (12371, 16328), (13973, 14456)]