71285984

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4133}}^1$

素因数の和:4168

約数の個数: 72

約数和(自身を含む): 178142328

約数和(自身を除く): 106856344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1232, 1568, 2156, 2464, 4133, 4312, 8266, 8624, 16532, 17248, 28931, 33064, 45463, 57862, 66128, 90926, 115724, 132256, 181852, 202517, 231448, 318241, 363704, 405034, 462896, 636482, 727408, 810068, 925792, 1272964, 1454816, 1620136, 2227687, 2545928, 3240272, 4455374, 5091856, 6480544, 8910748, 10183712, 17821496, 35642992, 71285984]

約数ペア:

[(1, 71285984), (2, 35642992), (4, 17821496), (7, 10183712), (8, 8910748), (11, 6480544), (14, 5091856), (16, 4455374), (22, 3240272), (28, 2545928), (32, 2227687), (44, 1620136), (49, 1454816), (56, 1272964), (77, 925792), (88, 810068), (98, 727408), (112, 636482), (154, 462896), (176, 405034), (196, 363704), (224, 318241), (308, 231448), (352, 202517), (392, 181852), (539, 132256), (616, 115724), (784, 90926), (1078, 66128), (1232, 57862), (1568, 45463), (2156, 33064), (2464, 28931), (4133, 17248), (4312, 16532), (8266, 8624)]