207908506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 355835592

約数和(自身を除く): 147927086

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 157, 314, 403, 689, 806, 961, 1378, 1643, 1922, 2041, 3286, 4082, 4867, 8321, 9734, 12493, 16642, 21359, 24986, 42718, 50933, 63271, 101866, 108173, 126542, 150877, 216346, 257951, 301754, 515902, 662129, 1324258, 1961401, 3353363, 3922802, 6706726, 7996481, 15992962, 103954253, 207908506]

約数ペア:

[(1, 207908506), (2, 103954253), (13, 15992962), (26, 7996481), (31, 6706726), (53, 3922802), (62, 3353363), (106, 1961401), (157, 1324258), (314, 662129), (403, 515902), (689, 301754), (806, 257951), (961, 216346), (1378, 150877), (1643, 126542), (1922, 108173), (2041, 101866), (3286, 63271), (4082, 50933), (4867, 42718), (8321, 24986), (9734, 21359), (12493, 16642)]