71064028

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 155702400

約数和(自身を除く): 84638372

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 139, 217, 266, 278, 434, 532, 556, 589, 868, 961, 973, 1178, 1922, 1946, 2356, 2641, 3844, 3892, 4123, 4309, 5282, 6727, 8246, 8618, 10564, 13454, 16492, 17236, 18259, 18487, 26908, 30163, 36518, 36974, 60326, 73036, 73948, 81871, 120652, 127813, 133579, 163742, 255626, 267158, 327484, 511252, 534316, 573097, 935053, 1146194, 1870106, 2292388, 2538001, 3740212, 5076002, 10152004, 17766007, 35532014, 71064028]

約数ペア:

[(1, 71064028), (2, 35532014), (4, 17766007), (7, 10152004), (14, 5076002), (19, 3740212), (28, 2538001), (31, 2292388), (38, 1870106), (62, 1146194), (76, 935053), (124, 573097), (133, 534316), (139, 511252), (217, 327484), (266, 267158), (278, 255626), (434, 163742), (532, 133579), (556, 127813), (589, 120652), (868, 81871), (961, 73948), (973, 73036), (1178, 60326), (1922, 36974), (1946, 36518), (2356, 30163), (2641, 26908), (3844, 18487), (3892, 18259), (4123, 17236), (4309, 16492), (5282, 13454), (6727, 10564), (8246, 8618)]