397334534

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 626123520

約数和(自身を除く): 228788986

約数列:

[1, 2, 43, 53, 86, 106, 179, 358, 487, 974, 2279, 4558, 7697, 9487, 15394, 18974, 20941, 25811, 41882, 51622, 87173, 174346, 407941, 815882, 1109873, 2219746, 3748439, 4620169, 7496878, 9240338, 198667267, 397334534]

約数ペア:

[(1, 397334534), (2, 198667267), (43, 9240338), (53, 7496878), (86, 4620169), (106, 3748439), (179, 2219746), (358, 1109873), (487, 815882), (974, 407941), (2279, 174346), (4558, 87173), (7697, 51622), (9487, 41882), (15394, 25811), (18974, 20941)]