7978828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 17524080

約数和(自身を除く): 9545252

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 37, 44, 52, 58, 74, 116, 143, 148, 169, 286, 319, 338, 377, 407, 481, 572, 638, 676, 754, 814, 962, 1073, 1276, 1508, 1628, 1859, 1924, 2146, 3718, 4147, 4292, 4901, 5291, 6253, 7436, 8294, 9802, 10582, 11803, 12506, 13949, 16588, 19604, 21164, 23606, 25012, 27898, 47212, 53911, 55796, 68783, 107822, 137566, 153439, 181337, 215644, 275132, 306878, 362674, 613756, 725348, 1994707, 3989414, 7978828]

約数ペア:

[(1, 7978828), (2, 3989414), (4, 1994707), (11, 725348), (13, 613756), (22, 362674), (26, 306878), (29, 275132), (37, 215644), (44, 181337), (52, 153439), (58, 137566), (74, 107822), (116, 68783), (143, 55796), (148, 53911), (169, 47212), (286, 27898), (319, 25012), (338, 23606), (377, 21164), (407, 19604), (481, 16588), (572, 13949), (638, 12506), (676, 11803), (754, 10582), (814, 9802), (962, 8294), (1073, 7436), (1276, 6253), (1508, 5291), (1628, 4901), (1859, 4292), (1924, 4147), (2146, 3718)]