138798965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 181336320

約数和(自身を除く): 42537355

約数列:

[1, 5, 17, 71, 85, 109, 211, 355, 545, 1055, 1207, 1853, 3587, 6035, 7739, 9265, 14981, 17935, 22999, 38695, 74905, 114995, 131563, 254677, 390983, 657815, 1273385, 1632929, 1954915, 8164645, 27759793, 138798965]

約数ペア:

[(1, 138798965), (5, 27759793), (17, 8164645), (71, 1954915), (85, 1632929), (109, 1273385), (211, 657815), (355, 390983), (545, 254677), (1055, 131563), (1207, 114995), (1853, 74905), (3587, 38695), (6035, 22999), (7739, 17935), (9265, 14981)]