12985290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 20980278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 647, 669, 1115, 1294, 1338, 1941, 2007, 2230, 3235, 3345, 3882, 4014, 5823, 6470, 6690, 9705, 10035, 11646, 19410, 20070, 29115, 58230, 144281, 288562, 432843, 721405, 865686, 1298529, 1442810, 2164215, 2597058, 4328430, 6492645, 12985290]

約数ペア:

[(1, 12985290), (2, 6492645), (3, 4328430), (5, 2597058), (6, 2164215), (9, 1442810), (10, 1298529), (15, 865686), (18, 721405), (30, 432843), (45, 288562), (90, 144281), (223, 58230), (446, 29115), (647, 20070), (669, 19410), (1115, 11646), (1294, 10035), (1338, 9705), (1941, 6690), (2007, 6470), (2230, 5823), (3235, 4014), (3345, 3882)]