38999191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 54425088

約数和(自身を除く): 15425897

約数列:

[1, 7, 11, 19, 23, 61, 77, 133, 161, 209, 253, 361, 427, 437, 671, 1159, 1403, 1463, 1771, 2527, 3059, 3971, 4697, 4807, 8113, 8303, 9821, 12749, 15433, 22021, 26657, 27797, 33649, 58121, 89243, 91333, 108031, 154147, 186599, 242231, 293227, 506483, 639331, 1695617, 2052589, 3545381, 5571313, 38999191]

約数ペア:

[(1, 38999191), (7, 5571313), (11, 3545381), (19, 2052589), (23, 1695617), (61, 639331), (77, 506483), (133, 293227), (161, 242231), (209, 186599), (253, 154147), (361, 108031), (427, 91333), (437, 89243), (671, 58121), (1159, 33649), (1403, 27797), (1463, 26657), (1771, 22021), (2527, 15433), (3059, 12749), (3971, 9821), (4697, 8303), (4807, 8113)]