398156777216

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7109}}^1\times {\mathrm{19889}}^1$

素因数の和:27025

約数の個数: 72

約数和(自身を含む): 867174562800

約数和(自身を除く): 469017785584

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7109, 14218, 19889, 28436, 39778, 56872, 78199, 79556, 113744, 156398, 159112, 218779, 227488, 312796, 318224, 437558, 454976, 625592, 636448, 875116, 909952, 1251184, 1272896, 1750232, 1819904, 2502368, 2545792, 3500464, 5004736, 5091584, 7000928, 10009472, 14001856, 20018944, 28003712, 56007424, 141390901, 282781802, 565563604, 1131127208, 1555299911, 2262254416, 3110599822, 4524508832, 6221199644, 9049017664, 12442399288, 18098035328, 24884798576, 36196070656, 49769597152, 99539194304, 199078388608, 398156777216]

約数ペア:

[(1, 398156777216), (2, 199078388608), (4, 99539194304), (8, 49769597152), (11, 36196070656), (16, 24884798576), (22, 18098035328), (32, 12442399288), (44, 9049017664), (64, 6221199644), (88, 4524508832), (128, 3110599822), (176, 2262254416), (256, 1555299911), (352, 1131127208), (704, 565563604), (1408, 282781802), (2816, 141390901), (7109, 56007424), (14218, 28003712), (19889, 20018944), (28436, 14001856), (39778, 10009472), (56872, 7000928), (78199, 5091584), (79556, 5004736), (113744, 3500464), (156398, 2545792), (159112, 2502368), (218779, 1819904), (227488, 1750232), (312796, 1272896), (318224, 1251184), (437558, 909952), (454976, 875116), (625592, 636448)]