209898390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{538201}}^1$

素因数の和:538224

約数の個数: 32

約数和(自身を含む): 542507616

約数和(自身を除く): 332609226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 538201, 1076402, 1614603, 2691005, 3229206, 5382010, 6996613, 8073015, 13993226, 16146030, 20989839, 34983065, 41979678, 69966130, 104949195, 209898390]

約数ペア:

[(1, 209898390), (2, 104949195), (3, 69966130), (5, 41979678), (6, 34983065), (10, 20989839), (13, 16146030), (15, 13993226), (26, 8073015), (30, 6996613), (39, 5382010), (65, 3229206), (78, 2691005), (130, 1614603), (195, 1076402), (390, 538201)]