42280784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 102493440

約数和(自身を除く): 60212656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 409, 497, 568, 728, 818, 923, 994, 1136, 1456, 1636, 1846, 1988, 2863, 3272, 3692, 3976, 5317, 5726, 6461, 6544, 7384, 7952, 10634, 11452, 12922, 14768, 21268, 22904, 25844, 29039, 37219, 42536, 45808, 51688, 58078, 74438, 85072, 103376, 116156, 148876, 203273, 232312, 297752, 377507, 406546, 464624, 595504, 755014, 813092, 1510028, 1626184, 2642549, 3020056, 3252368, 5285098, 6040112, 10570196, 21140392, 42280784]

約数ペア:

[(1, 42280784), (2, 21140392), (4, 10570196), (7, 6040112), (8, 5285098), (13, 3252368), (14, 3020056), (16, 2642549), (26, 1626184), (28, 1510028), (52, 813092), (56, 755014), (71, 595504), (91, 464624), (104, 406546), (112, 377507), (142, 297752), (182, 232312), (208, 203273), (284, 148876), (364, 116156), (409, 103376), (497, 85072), (568, 74438), (728, 58078), (818, 51688), (923, 45808), (994, 42536), (1136, 37219), (1456, 29039), (1636, 25844), (1846, 22904), (1988, 21268), (2863, 14768), (3272, 12922), (3692, 11452), (3976, 10634), (5317, 7952), (5726, 7384), (6461, 6544)]