1245904816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{43093}}^1$

素因数の和:43253

約数の個数: 40

約数和(自身を含む): 2618391440

約数和(自身を除く): 1372486624

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 3614, 7228, 14456, 28912, 43093, 86186, 172372, 344744, 560209, 689488, 1120418, 2240836, 4481672, 5989927, 8963344, 11979854, 23959708, 47919416, 77869051, 95838832, 155738102, 311476204, 622952408, 1245904816]

約数ペア:

[(1, 1245904816), (2, 622952408), (4, 311476204), (8, 155738102), (13, 95838832), (16, 77869051), (26, 47919416), (52, 23959708), (104, 11979854), (139, 8963344), (208, 5989927), (278, 4481672), (556, 2240836), (1112, 1120418), (1807, 689488), (2224, 560209), (3614, 344744), (7228, 172372), (14456, 86186), (28912, 43093)]