209958584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{39113}}^1$

素因数の和:39191

約数の個数: 32

約数和(自身を含む): 436512240

約数和(自身を除く): 226553656

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 39113, 78226, 156452, 312904, 430243, 860486, 1720972, 2385893, 3441944, 4771786, 9543572, 19087144, 26244823, 52489646, 104979292, 209958584]

約数ペア:

[(1, 209958584), (2, 104979292), (4, 52489646), (8, 26244823), (11, 19087144), (22, 9543572), (44, 4771786), (61, 3441944), (88, 2385893), (122, 1720972), (244, 860486), (488, 430243), (671, 312904), (1342, 156452), (2684, 78226), (5368, 39113)]