208512590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3465

約数の個数: 64

約数和(自身を含む): 451325952

約数和(自身を除く): 242813362

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 286, 430, 473, 559, 715, 946, 1118, 1430, 2365, 2795, 3391, 4730, 5590, 6149, 6782, 12298, 16955, 30745, 33910, 37301, 44083, 61490, 74602, 88166, 145813, 186505, 220415, 291626, 373010, 440830, 484913, 729065, 969826, 1458130, 1603943, 1895569, 2424565, 3207886, 3791138, 4849130, 8019715, 9477845, 16039430, 18955690, 20851259, 41702518, 104256295, 208512590]

約数ペア:

[(1, 208512590), (2, 104256295), (5, 41702518), (10, 20851259), (11, 18955690), (13, 16039430), (22, 9477845), (26, 8019715), (43, 4849130), (55, 3791138), (65, 3207886), (86, 2424565), (110, 1895569), (130, 1603943), (143, 1458130), (215, 969826), (286, 729065), (430, 484913), (473, 440830), (559, 373010), (715, 291626), (946, 220415), (1118, 186505), (1430, 145813), (2365, 88166), (2795, 74602), (3391, 61490), (4730, 44083), (5590, 37301), (6149, 33910), (6782, 30745), (12298, 16955)]