16885426859

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1\times {\mathrm{971}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 20129513472

約数和(自身を除く): 3244086613

約数列:

[1, 7, 31, 127, 217, 631, 889, 971, 3937, 4417, 6797, 19561, 27559, 30101, 80137, 123317, 136927, 210707, 560959, 612701, 863219, 2484247, 3822827, 4288907, 17389729, 18993731, 26759789, 77813027, 132956117, 544691189, 2412203837, 16885426859]

約数ペア:

[(1, 16885426859), (7, 2412203837), (31, 544691189), (127, 132956117), (217, 77813027), (631, 26759789), (889, 18993731), (971, 17389729), (3937, 4288907), (4417, 3822827), (6797, 2484247), (19561, 863219), (27559, 612701), (30101, 560959), (80137, 210707), (123317, 136927)]