200880016

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1823}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 398974464

約数和(自身を除く): 198094448

約数列:

[1, 2, 4, 8, 16, 71, 97, 142, 194, 284, 388, 568, 776, 1136, 1552, 1823, 3646, 6887, 7292, 13774, 14584, 27548, 29168, 55096, 110192, 129433, 176831, 258866, 353662, 517732, 707324, 1035464, 1414648, 2070928, 2829296, 12555001, 25110002, 50220004, 100440008, 200880016]

約数ペア:

[(1, 200880016), (2, 100440008), (4, 50220004), (8, 25110002), (16, 12555001), (71, 2829296), (97, 2070928), (142, 1414648), (194, 1035464), (284, 707324), (388, 517732), (568, 353662), (776, 258866), (1136, 176831), (1552, 129433), (1823, 110192), (3646, 55096), (6887, 29168), (7292, 27548), (13774, 14584)]