87871504

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 221369760

約数和(自身を除く): 133498256

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 49, 56, 68, 76, 98, 112, 119, 133, 136, 152, 196, 238, 266, 272, 304, 323, 347, 392, 476, 532, 646, 694, 784, 833, 931, 952, 1064, 1292, 1388, 1666, 1862, 1904, 2128, 2261, 2429, 2584, 2776, 3332, 3724, 4522, 4858, 5168, 5552, 5899, 6593, 6664, 7448, 9044, 9716, 11798, 13186, 13328, 14896, 15827, 17003, 18088, 19432, 23596, 26372, 31654, 34006, 36176, 38864, 41293, 46151, 47192, 52744, 63308, 68012, 82586, 92302, 94384, 105488, 112081, 126616, 136024, 165172, 184604, 224162, 253232, 272048, 289051, 323057, 330344, 369208, 448324, 578102, 646114, 660688, 738416, 784567, 896648, 1156204, 1292228, 1569134, 1793296, 2312408, 2584456, 3138268, 4624816, 5168912, 5491969, 6276536, 10983938, 12553072, 21967876, 43935752, 87871504]

約数ペア:

[(1, 87871504), (2, 43935752), (4, 21967876), (7, 12553072), (8, 10983938), (14, 6276536), (16, 5491969), (17, 5168912), (19, 4624816), (28, 3138268), (34, 2584456), (38, 2312408), (49, 1793296), (56, 1569134), (68, 1292228), (76, 1156204), (98, 896648), (112, 784567), (119, 738416), (133, 660688), (136, 646114), (152, 578102), (196, 448324), (238, 369208), (266, 330344), (272, 323057), (304, 289051), (323, 272048), (347, 253232), (392, 224162), (476, 184604), (532, 165172), (646, 136024), (694, 126616), (784, 112081), (833, 105488), (931, 94384), (952, 92302), (1064, 82586), (1292, 68012), (1388, 63308), (1666, 52744), (1862, 47192), (1904, 46151), (2128, 41293), (2261, 38864), (2429, 36176), (2584, 34006), (2776, 31654), (3332, 26372), (3724, 23596), (4522, 19432), (4858, 18088), (5168, 17003), (5552, 15827), (5899, 14896), (6593, 13328), (6664, 13186), (7448, 11798), (9044, 9716)]