1285237168

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{12479}}^1$

素因数の和:12685

約数の個数: 40

約数和(自身を含む): 2567335680

約数和(自身を除く): 1282098512

約数列:

[1, 2, 4, 8, 16, 41, 82, 157, 164, 314, 328, 628, 656, 1256, 2512, 6437, 12479, 12874, 24958, 25748, 49916, 51496, 99832, 102992, 199664, 511639, 1023278, 1959203, 2046556, 3918406, 4093112, 7836812, 8186224, 15673624, 31347248, 80327323, 160654646, 321309292, 642618584, 1285237168]

約数ペア:

[(1, 1285237168), (2, 642618584), (4, 321309292), (8, 160654646), (16, 80327323), (41, 31347248), (82, 15673624), (157, 8186224), (164, 7836812), (314, 4093112), (328, 3918406), (628, 2046556), (656, 1959203), (1256, 1023278), (2512, 511639), (6437, 199664), (12479, 102992), (12874, 99832), (24958, 51496), (25748, 49916)]