80180828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1217}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 173793984

約数和(自身を除く): 93613156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 181, 182, 362, 364, 724, 1217, 1267, 2353, 2434, 2534, 4706, 4868, 5068, 8519, 9412, 15821, 16471, 17038, 31642, 32942, 34076, 63284, 65884, 110747, 220277, 221494, 440554, 442988, 881108, 1541939, 2863601, 3083878, 5727202, 6167756, 11454404, 20045207, 40090414, 80180828]

約数ペア:

[(1, 80180828), (2, 40090414), (4, 20045207), (7, 11454404), (13, 6167756), (14, 5727202), (26, 3083878), (28, 2863601), (52, 1541939), (91, 881108), (181, 442988), (182, 440554), (362, 221494), (364, 220277), (724, 110747), (1217, 65884), (1267, 63284), (2353, 34076), (2434, 32942), (2534, 31642), (4706, 17038), (4868, 16471), (5068, 15821), (8519, 9412)]