31561088

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{1459}}^1$

素因数の和:1499

約数の個数: 48

約数和(自身を含む): 68130900

約数和(自身を除く): 36569812

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1459, 1664, 2704, 2918, 5408, 5836, 10816, 11672, 18967, 21632, 23344, 37934, 46688, 75868, 93376, 151736, 186752, 246571, 303472, 493142, 606944, 986284, 1213888, 1972568, 2427776, 3945136, 7890272, 15780544, 31561088]

約数ペア:

[(1, 31561088), (2, 15780544), (4, 7890272), (8, 3945136), (13, 2427776), (16, 1972568), (26, 1213888), (32, 986284), (52, 606944), (64, 493142), (104, 303472), (128, 246571), (169, 186752), (208, 151736), (338, 93376), (416, 75868), (676, 46688), (832, 37934), (1352, 23344), (1459, 21632), (1664, 18967), (2704, 11672), (2918, 10816), (5408, 5836)]