81760718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1907}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 141359904

約数和(自身を除く): 59599186

約数列:

[1, 2, 13, 17, 26, 34, 97, 194, 221, 442, 1261, 1649, 1907, 2522, 3298, 3814, 21437, 24791, 32419, 42874, 49582, 64838, 184979, 369958, 421447, 842894, 2404727, 3144643, 4809454, 6289286, 40880359, 81760718]

約数ペア:

[(1, 81760718), (2, 40880359), (13, 6289286), (17, 4809454), (26, 3144643), (34, 2404727), (97, 842894), (194, 421447), (221, 369958), (442, 184979), (1261, 64838), (1649, 49582), (1907, 42874), (2522, 32419), (3298, 24791), (3814, 21437)]