390235714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{19687}}^1$

素因数の和:19770

約数の個数: 32

約数和(自身を含む): 688922496

約数和(自身を除く): 298686782

約数列:

[1, 2, 11, 17, 22, 34, 53, 106, 187, 374, 583, 901, 1166, 1802, 9911, 19687, 19822, 39374, 216557, 334679, 433114, 669358, 1043411, 2086822, 3681469, 7362938, 11477521, 17737987, 22955042, 35475974, 195117857, 390235714]

約数ペア:

[(1, 390235714), (2, 195117857), (11, 35475974), (17, 22955042), (22, 17737987), (34, 11477521), (53, 7362938), (106, 3681469), (187, 2086822), (374, 1043411), (583, 669358), (901, 433114), (1166, 334679), (1802, 216557), (9911, 39374), (19687, 19822)]