209918484

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2381}}^1$

素因数の和:2501

約数の個数: 72

約数和(自身を含む): 554910720

約数和(自身を除く): 344992236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 237, 279, 316, 372, 474, 558, 711, 948, 1116, 1422, 2381, 2449, 2844, 4762, 4898, 7143, 7347, 9524, 9796, 14286, 14694, 21429, 22041, 28572, 29388, 42858, 44082, 73811, 85716, 88164, 147622, 188099, 221433, 295244, 376198, 442866, 564297, 664299, 752396, 885732, 1128594, 1328598, 1692891, 2257188, 2657196, 3385782, 5831069, 6771564, 11662138, 17493207, 23324276, 34986414, 52479621, 69972828, 104959242, 209918484]

約数ペア:

[(1, 209918484), (2, 104959242), (3, 69972828), (4, 52479621), (6, 34986414), (9, 23324276), (12, 17493207), (18, 11662138), (31, 6771564), (36, 5831069), (62, 3385782), (79, 2657196), (93, 2257188), (124, 1692891), (158, 1328598), (186, 1128594), (237, 885732), (279, 752396), (316, 664299), (372, 564297), (474, 442866), (558, 376198), (711, 295244), (948, 221433), (1116, 188099), (1422, 147622), (2381, 88164), (2449, 85716), (2844, 73811), (4762, 44082), (4898, 42858), (7143, 29388), (7347, 28572), (9524, 22041), (9796, 21429), (14286, 14694)]