12778010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1$

素因数の和:950

約数の個数: 32

約数和(自身を含む): 26421120

約数和(自身を除く): 13643110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 659, 1318, 1385, 1939, 2770, 3295, 3878, 4613, 6590, 9226, 9695, 19390, 23065, 46130, 182543, 365086, 912715, 1277801, 1825430, 2555602, 6389005, 12778010]

約数ペア:

[(1, 12778010), (2, 6389005), (5, 2555602), (7, 1825430), (10, 1277801), (14, 912715), (35, 365086), (70, 182543), (277, 46130), (554, 23065), (659, 19390), (1318, 9695), (1385, 9226), (1939, 6590), (2770, 4613), (3295, 3878)]