181997504

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 112

約数和(自身を含む): 424586400

約数和(自身を除く): 242588896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 32, 38, 52, 58, 64, 76, 104, 116, 152, 208, 232, 247, 304, 377, 397, 416, 464, 494, 551, 608, 754, 794, 832, 928, 988, 1102, 1216, 1508, 1588, 1856, 1976, 2204, 3016, 3176, 3952, 4408, 5161, 6032, 6352, 7163, 7543, 7904, 8816, 10322, 11513, 12064, 12704, 14326, 15086, 15808, 17632, 20644, 23026, 24128, 25408, 28652, 30172, 35264, 41288, 46052, 57304, 60344, 82576, 92104, 98059, 114608, 120688, 149669, 165152, 184208, 196118, 218747, 229216, 241376, 299338, 330304, 368416, 392236, 437494, 458432, 482752, 598676, 736832, 784472, 874988, 1197352, 1568944, 1749976, 2394704, 2843711, 3137888, 3499952, 4789408, 5687422, 6275776, 6999904, 9578816, 11374844, 13999808, 22749688, 45499376, 90998752, 181997504]

約数ペア:

[(1, 181997504), (2, 90998752), (4, 45499376), (8, 22749688), (13, 13999808), (16, 11374844), (19, 9578816), (26, 6999904), (29, 6275776), (32, 5687422), (38, 4789408), (52, 3499952), (58, 3137888), (64, 2843711), (76, 2394704), (104, 1749976), (116, 1568944), (152, 1197352), (208, 874988), (232, 784472), (247, 736832), (304, 598676), (377, 482752), (397, 458432), (416, 437494), (464, 392236), (494, 368416), (551, 330304), (608, 299338), (754, 241376), (794, 229216), (832, 218747), (928, 196118), (988, 184208), (1102, 165152), (1216, 149669), (1508, 120688), (1588, 114608), (1856, 98059), (1976, 92104), (2204, 82576), (3016, 60344), (3176, 57304), (3952, 46052), (4408, 41288), (5161, 35264), (6032, 30172), (6352, 28652), (7163, 25408), (7543, 24128), (7904, 23026), (8816, 20644), (10322, 17632), (11513, 15808), (12064, 15086), (12704, 14326)]