202970086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 342519840

約数和(自身を除く): 139549754

約数列:

[1, 2, 11, 22, 37, 74, 389, 407, 641, 778, 814, 1282, 4279, 7051, 8558, 14102, 14393, 23717, 28786, 47434, 158323, 249349, 260887, 316646, 498698, 521774, 2742839, 5485678, 9225913, 18451826, 101485043, 202970086]

約数ペア:

[(1, 202970086), (2, 101485043), (11, 18451826), (22, 9225913), (37, 5485678), (74, 2742839), (389, 521774), (407, 498698), (641, 316646), (778, 260887), (814, 249349), (1282, 158323), (4279, 47434), (7051, 28786), (8558, 23717), (14102, 14393)]