138243942

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 181090458

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 269, 279, 307, 538, 558, 614, 807, 837, 921, 1614, 1674, 1842, 2421, 2763, 4842, 5526, 7263, 8289, 8339, 9517, 14526, 16578, 16678, 19034, 25017, 28551, 50034, 57102, 75051, 82583, 85653, 150102, 165166, 171306, 225153, 247749, 256959, 450306, 495498, 513918, 743247, 1486494, 2229741, 2560073, 4459482, 5120146, 7680219, 15360438, 23040657, 46081314, 69121971, 138243942]

約数ペア:

[(1, 138243942), (2, 69121971), (3, 46081314), (6, 23040657), (9, 15360438), (18, 7680219), (27, 5120146), (31, 4459482), (54, 2560073), (62, 2229741), (93, 1486494), (186, 743247), (269, 513918), (279, 495498), (307, 450306), (538, 256959), (558, 247749), (614, 225153), (807, 171306), (837, 165166), (921, 150102), (1614, 85653), (1674, 82583), (1842, 75051), (2421, 57102), (2763, 50034), (4842, 28551), (5526, 25017), (7263, 19034), (8289, 16678), (8339, 16578), (9517, 14526)]