989897488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1291}}^1\times {\mathrm{2819}}^1$

素因数の和:4135

約数の個数: 40

約数和(自身を含む): 2033039520

約数和(自身を除く): 1043142032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1291, 2582, 2819, 5164, 5638, 10328, 11276, 20656, 21947, 22552, 43894, 45104, 47923, 87788, 95846, 175576, 191692, 351152, 383384, 766768, 3639329, 7278658, 14557316, 29114632, 58229264, 61868593, 123737186, 247474372, 494948744, 989897488]

約数ペア:

[(1, 989897488), (2, 494948744), (4, 247474372), (8, 123737186), (16, 61868593), (17, 58229264), (34, 29114632), (68, 14557316), (136, 7278658), (272, 3639329), (1291, 766768), (2582, 383384), (2819, 351152), (5164, 191692), (5638, 175576), (10328, 95846), (11276, 87788), (20656, 47923), (21947, 45104), (22552, 43894)]