68105648

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 60

約数和(自身を含む): 145001880

約数和(自身を除く): 76896232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 169, 178, 208, 283, 338, 356, 566, 676, 712, 1132, 1157, 1352, 1424, 2264, 2314, 2704, 3679, 4528, 4628, 7358, 9256, 14716, 15041, 18512, 25187, 29432, 30082, 47827, 50374, 58864, 60164, 95654, 100748, 120328, 191308, 201496, 240656, 327431, 382616, 402992, 654862, 765232, 1309724, 2619448, 4256603, 5238896, 8513206, 17026412, 34052824, 68105648]

約数ペア:

[(1, 68105648), (2, 34052824), (4, 17026412), (8, 8513206), (13, 5238896), (16, 4256603), (26, 2619448), (52, 1309724), (89, 765232), (104, 654862), (169, 402992), (178, 382616), (208, 327431), (283, 240656), (338, 201496), (356, 191308), (566, 120328), (676, 100748), (712, 95654), (1132, 60164), (1157, 58864), (1352, 50374), (1424, 47827), (2264, 30082), (2314, 29432), (2704, 25187), (3679, 18512), (4528, 15041), (4628, 14716), (7358, 9256)]