389729305

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 546036480

約数和(自身を除く): 156307175

約数列:

[1, 5, 7, 35, 61, 277, 305, 427, 659, 1385, 1939, 2135, 3295, 4613, 9695, 16897, 23065, 40199, 84485, 118279, 182543, 200995, 281393, 591395, 912715, 1277801, 1406965, 6389005, 11135123, 55675615, 77945861, 389729305]

約数ペア:

[(1, 389729305), (5, 77945861), (7, 55675615), (35, 11135123), (61, 6389005), (277, 1406965), (305, 1277801), (427, 912715), (659, 591395), (1385, 281393), (1939, 200995), (2135, 182543), (3295, 118279), (4613, 84485), (9695, 40199), (16897, 23065)]