213070858

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 222385142

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 71, 77, 91, 142, 143, 154, 182, 286, 497, 781, 923, 994, 1001, 1499, 1562, 1846, 2002, 2998, 5467, 6461, 10153, 10493, 10934, 12922, 16489, 19487, 20306, 20986, 32978, 38974, 71071, 106429, 115423, 136409, 142142, 212858, 214357, 230846, 272818, 428714, 745003, 1170719, 1383577, 1490006, 1500499, 2341438, 2767154, 3000998, 8195033, 9685039, 15219347, 16390066, 19370078, 30438694, 106535429, 213070858]

約数ペア:

[(1, 213070858), (2, 106535429), (7, 30438694), (11, 19370078), (13, 16390066), (14, 15219347), (22, 9685039), (26, 8195033), (71, 3000998), (77, 2767154), (91, 2341438), (142, 1500499), (143, 1490006), (154, 1383577), (182, 1170719), (286, 745003), (497, 428714), (781, 272818), (923, 230846), (994, 214357), (1001, 212858), (1499, 142142), (1562, 136409), (1846, 115423), (2002, 106429), (2998, 71071), (5467, 38974), (6461, 32978), (10153, 20986), (10493, 20306), (10934, 19487), (12922, 16489)]