1290212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1612828

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 71, 77, 118, 142, 154, 236, 284, 308, 413, 497, 649, 781, 826, 994, 1298, 1562, 1652, 1988, 2596, 3124, 4189, 4543, 5467, 8378, 9086, 10934, 16756, 18172, 21868, 29323, 46079, 58646, 92158, 117292, 184316, 322553, 645106, 1290212]

約数ペア:

[(1, 1290212), (2, 645106), (4, 322553), (7, 184316), (11, 117292), (14, 92158), (22, 58646), (28, 46079), (44, 29323), (59, 21868), (71, 18172), (77, 16756), (118, 10934), (142, 9086), (154, 8378), (236, 5467), (284, 4543), (308, 4189), (413, 3124), (497, 2596), (649, 1988), (781, 1652), (826, 1562), (994, 1298)]