2187755185

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{16567}}^1$

素因数の和:16611

約数の個数: 40

約数和(自身を含む): 3341301696

約数和(自身を除く): 1153546511

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2401, 2695, 3773, 12005, 16567, 18865, 26411, 82835, 115969, 132055, 182237, 579845, 811783, 911185, 1275659, 4058915, 5682481, 6378295, 8929613, 28412405, 39777367, 44648065, 62507291, 198886835, 312536455, 437551037, 2187755185]

約数ペア:

[(1, 2187755185), (5, 437551037), (7, 312536455), (11, 198886835), (35, 62507291), (49, 44648065), (55, 39777367), (77, 28412405), (245, 8929613), (343, 6378295), (385, 5682481), (539, 4058915), (1715, 1275659), (2401, 911185), (2695, 811783), (3773, 579845), (12005, 182237), (16567, 132055), (18865, 115969), (26411, 82835)]