208402584

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 599961600

約数和(自身を除く): 391559016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 104, 116, 124, 156, 174, 186, 232, 248, 312, 348, 372, 377, 403, 696, 743, 744, 754, 806, 899, 1131, 1209, 1486, 1508, 1612, 1798, 2229, 2262, 2418, 2697, 2972, 3016, 3224, 3596, 4458, 4524, 4836, 5394, 5944, 7192, 8916, 9048, 9659, 9672, 10788, 11687, 17832, 19318, 21547, 21576, 23033, 23374, 28977, 35061, 38636, 43094, 46066, 46748, 57954, 64641, 69099, 70122, 77272, 86188, 92132, 93496, 115908, 129282, 138198, 140244, 172376, 184264, 231816, 258564, 276396, 280111, 280488, 299429, 517128, 552792, 560222, 598858, 667957, 840333, 898287, 1120444, 1197716, 1335914, 1680666, 1796574, 2003871, 2240888, 2395432, 2671828, 3361332, 3593148, 4007742, 5343656, 6722664, 7186296, 8015484, 8683441, 16030968, 17366882, 26050323, 34733764, 52100646, 69467528, 104201292, 208402584]

約数ペア:

[(1, 208402584), (2, 104201292), (3, 69467528), (4, 52100646), (6, 34733764), (8, 26050323), (12, 17366882), (13, 16030968), (24, 8683441), (26, 8015484), (29, 7186296), (31, 6722664), (39, 5343656), (52, 4007742), (58, 3593148), (62, 3361332), (78, 2671828), (87, 2395432), (93, 2240888), (104, 2003871), (116, 1796574), (124, 1680666), (156, 1335914), (174, 1197716), (186, 1120444), (232, 898287), (248, 840333), (312, 667957), (348, 598858), (372, 560222), (377, 552792), (403, 517128), (696, 299429), (743, 280488), (744, 280111), (754, 276396), (806, 258564), (899, 231816), (1131, 184264), (1209, 172376), (1486, 140244), (1508, 138198), (1612, 129282), (1798, 115908), (2229, 93496), (2262, 92132), (2418, 86188), (2697, 77272), (2972, 70122), (3016, 69099), (3224, 64641), (3596, 57954), (4458, 46748), (4524, 46066), (4836, 43094), (5394, 38636), (5944, 35061), (7192, 28977), (8916, 23374), (9048, 23033), (9659, 21576), (9672, 21547), (10788, 19318), (11687, 17832)]