12902806444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1709}}^1$

素因数の和:2575

約数の個数: 72

約数和(自身を含む): 26172644400

約数和(自身を除く): 13269837956

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 821, 836, 1642, 1709, 2299, 3284, 3418, 4598, 6836, 9031, 9196, 15599, 18062, 18799, 31198, 32471, 36124, 37598, 62396, 64942, 75196, 99341, 129884, 171589, 198682, 206789, 343178, 357181, 397364, 413578, 686356, 714362, 827156, 1403089, 1428724, 1887479, 2806178, 3774958, 3928991, 5612356, 7549916, 7857982, 15433979, 15715964, 26658691, 30867958, 53317382, 61735916, 106634764, 169773769, 293245601, 339547538, 586491202, 679095076, 1172982404, 3225701611, 6451403222, 12902806444]

約数ペア:

[(1, 12902806444), (2, 6451403222), (4, 3225701611), (11, 1172982404), (19, 679095076), (22, 586491202), (38, 339547538), (44, 293245601), (76, 169773769), (121, 106634764), (209, 61735916), (242, 53317382), (418, 30867958), (484, 26658691), (821, 15715964), (836, 15433979), (1642, 7857982), (1709, 7549916), (2299, 5612356), (3284, 3928991), (3418, 3774958), (4598, 2806178), (6836, 1887479), (9031, 1428724), (9196, 1403089), (15599, 827156), (18062, 714362), (18799, 686356), (31198, 413578), (32471, 397364), (36124, 357181), (37598, 343178), (62396, 206789), (64942, 198682), (75196, 171589), (99341, 129884)]