138401263

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 196632576

約数和(自身を除く): 58231313

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 361, 383, 1001, 1463, 1729, 2527, 2681, 2717, 3971, 4213, 4693, 4979, 7277, 19019, 27797, 29491, 32851, 34853, 50939, 51623, 54769, 80047, 94601, 138263, 361361, 383383, 560329, 662207, 967841, 1040611, 1520893, 1797419, 7284277, 10646251, 12581933, 19771609, 138401263]

約数ペア:

[(1, 138401263), (7, 19771609), (11, 12581933), (13, 10646251), (19, 7284277), (77, 1797419), (91, 1520893), (133, 1040611), (143, 967841), (209, 662207), (247, 560329), (361, 383383), (383, 361361), (1001, 138263), (1463, 94601), (1729, 80047), (2527, 54769), (2681, 51623), (2717, 50939), (3971, 34853), (4213, 32851), (4693, 29491), (4979, 27797), (7277, 19019)]