31480696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{719}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 63806400

約数和(自身を除く): 32325704

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 719, 842, 1438, 1684, 2876, 3368, 5473, 5752, 9347, 10946, 18694, 21892, 37388, 43784, 74776, 302699, 605398, 1210796, 2421592, 3935087, 7870174, 15740348, 31480696]

約数ペア:

[(1, 31480696), (2, 15740348), (4, 7870174), (8, 3935087), (13, 2421592), (26, 1210796), (52, 605398), (104, 302699), (421, 74776), (719, 43784), (842, 37388), (1438, 21892), (1684, 18694), (2876, 10946), (3368, 9347), (5473, 5752)]