78973972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 180956160

約数和(自身を除く): 101982188

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 67, 77, 86, 89, 134, 154, 172, 178, 268, 301, 308, 356, 469, 473, 602, 623, 737, 938, 946, 979, 1204, 1246, 1474, 1876, 1892, 1958, 2492, 2881, 2948, 3311, 3827, 3916, 5159, 5762, 5963, 6622, 6853, 7654, 10318, 11524, 11926, 13244, 13706, 15308, 20167, 20636, 23852, 26789, 27412, 31691, 40334, 41741, 42097, 53578, 63382, 65593, 80668, 83482, 84194, 107156, 126764, 131186, 166964, 168388, 221837, 256409, 262372, 294679, 443674, 459151, 512818, 589358, 887348, 918302, 1025636, 1178716, 1794863, 1836604, 2820499, 3589726, 5640998, 7179452, 11281996, 19743493, 39486986, 78973972]

約数ペア:

[(1, 78973972), (2, 39486986), (4, 19743493), (7, 11281996), (11, 7179452), (14, 5640998), (22, 3589726), (28, 2820499), (43, 1836604), (44, 1794863), (67, 1178716), (77, 1025636), (86, 918302), (89, 887348), (134, 589358), (154, 512818), (172, 459151), (178, 443674), (268, 294679), (301, 262372), (308, 256409), (356, 221837), (469, 168388), (473, 166964), (602, 131186), (623, 126764), (737, 107156), (938, 84194), (946, 83482), (979, 80668), (1204, 65593), (1246, 63382), (1474, 53578), (1876, 42097), (1892, 41741), (1958, 40334), (2492, 31691), (2881, 27412), (2948, 26789), (3311, 23852), (3827, 20636), (3916, 20167), (5159, 15308), (5762, 13706), (5963, 13244), (6622, 11926), (6853, 11524), (7654, 10318)]