206909976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 641088000

約数和(自身を除く): 434178024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 211, 273, 312, 364, 422, 449, 546, 633, 728, 844, 898, 1092, 1266, 1347, 1477, 1688, 1796, 2184, 2532, 2694, 2743, 2954, 3143, 3592, 4431, 5064, 5388, 5486, 5837, 5908, 6286, 8229, 8862, 9429, 10776, 10972, 11674, 11816, 12572, 16458, 17511, 17724, 18858, 19201, 21944, 23348, 25144, 32916, 35022, 35448, 37716, 38402, 40859, 46696, 57603, 65832, 70044, 75432, 76804, 81718, 94739, 115206, 122577, 140088, 153608, 163436, 189478, 230412, 245154, 284217, 326872, 378956, 460824, 490308, 568434, 663173, 757912, 980616, 1136868, 1231607, 1326346, 1989519, 2273736, 2463214, 2652692, 3694821, 3979038, 4926428, 5305384, 7389642, 7958076, 8621249, 9852856, 14779284, 15916152, 17242498, 25863747, 29558568, 34484996, 51727494, 68969992, 103454988, 206909976]

約数ペア:

[(1, 206909976), (2, 103454988), (3, 68969992), (4, 51727494), (6, 34484996), (7, 29558568), (8, 25863747), (12, 17242498), (13, 15916152), (14, 14779284), (21, 9852856), (24, 8621249), (26, 7958076), (28, 7389642), (39, 5305384), (42, 4926428), (52, 3979038), (56, 3694821), (78, 2652692), (84, 2463214), (91, 2273736), (104, 1989519), (156, 1326346), (168, 1231607), (182, 1136868), (211, 980616), (273, 757912), (312, 663173), (364, 568434), (422, 490308), (449, 460824), (546, 378956), (633, 326872), (728, 284217), (844, 245154), (898, 230412), (1092, 189478), (1266, 163436), (1347, 153608), (1477, 140088), (1688, 122577), (1796, 115206), (2184, 94739), (2532, 81718), (2694, 76804), (2743, 75432), (2954, 70044), (3143, 65832), (3592, 57603), (4431, 46696), (5064, 40859), (5388, 38402), (5486, 37716), (5837, 35448), (5908, 35022), (6286, 32916), (8229, 25144), (8862, 23348), (9429, 21944), (10776, 19201), (10972, 18858), (11674, 17724), (11816, 17511), (12572, 16458)]