71581664

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 187689600

約数和(自身を除く): 116107936

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 76, 77, 88, 112, 121, 133, 139, 152, 154, 176, 209, 224, 242, 266, 278, 304, 308, 352, 418, 484, 532, 556, 608, 616, 836, 847, 968, 973, 1064, 1112, 1232, 1463, 1529, 1672, 1694, 1936, 1946, 2128, 2224, 2299, 2464, 2641, 2926, 3058, 3344, 3388, 3872, 3892, 4256, 4448, 4598, 5282, 5852, 6116, 6688, 6776, 7784, 9196, 10564, 10703, 11704, 12232, 13552, 15568, 16093, 16819, 18392, 18487, 21128, 21406, 23408, 24464, 27104, 29051, 31136, 32186, 33638, 36784, 36974, 42256, 42812, 46816, 48928, 58102, 64372, 67276, 73568, 73948, 84512, 85624, 116204, 117733, 128744, 134552, 147896, 171248, 203357, 232408, 235466, 257488, 269104, 295792, 319561, 342496, 406714, 464816, 470932, 514976, 538208, 591584, 639122, 813428, 929632, 941864, 1278244, 1626856, 1883728, 2236927, 2556488, 3253712, 3767456, 4473854, 5112976, 6507424, 8947708, 10225952, 17895416, 35790832, 71581664]

約数ペア:

[(1, 71581664), (2, 35790832), (4, 17895416), (7, 10225952), (8, 8947708), (11, 6507424), (14, 5112976), (16, 4473854), (19, 3767456), (22, 3253712), (28, 2556488), (32, 2236927), (38, 1883728), (44, 1626856), (56, 1278244), (76, 941864), (77, 929632), (88, 813428), (112, 639122), (121, 591584), (133, 538208), (139, 514976), (152, 470932), (154, 464816), (176, 406714), (209, 342496), (224, 319561), (242, 295792), (266, 269104), (278, 257488), (304, 235466), (308, 232408), (352, 203357), (418, 171248), (484, 147896), (532, 134552), (556, 128744), (608, 117733), (616, 116204), (836, 85624), (847, 84512), (968, 73948), (973, 73568), (1064, 67276), (1112, 64372), (1232, 58102), (1463, 48928), (1529, 46816), (1672, 42812), (1694, 42256), (1936, 36974), (1946, 36784), (2128, 33638), (2224, 32186), (2299, 31136), (2464, 29051), (2641, 27104), (2926, 24464), (3058, 23408), (3344, 21406), (3388, 21128), (3872, 18487), (3892, 18392), (4256, 16819), (4448, 16093), (4598, 15568), (5282, 13552), (5852, 12232), (6116, 11704), (6688, 10703), (6776, 10564), (7784, 9196)]