199267072

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 412070400

約数和(自身を除く): 212803328

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 79, 118, 128, 158, 167, 236, 256, 316, 334, 472, 632, 668, 944, 1264, 1336, 1888, 2528, 2672, 3776, 4661, 5056, 5344, 7552, 9322, 9853, 10112, 10688, 13193, 15104, 18644, 19706, 20224, 21376, 26386, 37288, 39412, 42752, 52772, 74576, 78824, 105544, 149152, 157648, 211088, 298304, 315296, 422176, 596608, 630592, 778387, 844352, 1193216, 1261184, 1556774, 1688704, 2522368, 3113548, 3377408, 6227096, 12454192, 24908384, 49816768, 99633536, 199267072]

約数ペア:

[(1, 199267072), (2, 99633536), (4, 49816768), (8, 24908384), (16, 12454192), (32, 6227096), (59, 3377408), (64, 3113548), (79, 2522368), (118, 1688704), (128, 1556774), (158, 1261184), (167, 1193216), (236, 844352), (256, 778387), (316, 630592), (334, 596608), (472, 422176), (632, 315296), (668, 298304), (944, 211088), (1264, 157648), (1336, 149152), (1888, 105544), (2528, 78824), (2672, 74576), (3776, 52772), (4661, 42752), (5056, 39412), (5344, 37288), (7552, 26386), (9322, 21376), (9853, 20224), (10112, 19706), (10688, 18644), (13193, 15104)]