31421772

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 83786976

約数和(自身を除く): 52365204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 207, 274, 276, 277, 411, 414, 548, 554, 822, 828, 831, 1108, 1233, 1644, 1662, 2466, 2493, 3151, 3324, 4932, 4986, 6302, 6371, 9453, 9972, 12604, 12742, 18906, 19113, 25484, 28359, 37812, 37949, 38226, 56718, 57339, 75898, 76452, 113436, 113847, 114678, 151796, 227694, 229356, 341541, 455388, 683082, 872827, 1366164, 1745654, 2618481, 3491308, 5236962, 7855443, 10473924, 15710886, 31421772]

約数ペア:

[(1, 31421772), (2, 15710886), (3, 10473924), (4, 7855443), (6, 5236962), (9, 3491308), (12, 2618481), (18, 1745654), (23, 1366164), (36, 872827), (46, 683082), (69, 455388), (92, 341541), (137, 229356), (138, 227694), (207, 151796), (274, 114678), (276, 113847), (277, 113436), (411, 76452), (414, 75898), (548, 57339), (554, 56718), (822, 38226), (828, 37949), (831, 37812), (1108, 28359), (1233, 25484), (1644, 19113), (1662, 18906), (2466, 12742), (2493, 12604), (3151, 9972), (3324, 9453), (4932, 6371), (4986, 6302)]