20161250956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{674831}}^1$

素因数の和:674950

約数の個数: 48

約数和(自身を含む): 44441736192

約数和(自身を除く): 24280485236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 679, 1067, 1358, 2134, 2716, 4268, 7469, 14938, 29876, 674831, 1349662, 2699324, 4723817, 7423141, 9447634, 14846282, 18895268, 29692564, 51961987, 65458607, 103923974, 130917214, 207847948, 261834428, 458210249, 720044677, 916420498, 1440089354, 1832840996, 2880178708, 5040312739, 10080625478, 20161250956]

約数ペア:

[(1, 20161250956), (2, 10080625478), (4, 5040312739), (7, 2880178708), (11, 1832840996), (14, 1440089354), (22, 916420498), (28, 720044677), (44, 458210249), (77, 261834428), (97, 207847948), (154, 130917214), (194, 103923974), (308, 65458607), (388, 51961987), (679, 29692564), (1067, 18895268), (1358, 14846282), (2134, 9447634), (2716, 7423141), (4268, 4723817), (7469, 2699324), (14938, 1349662), (29876, 674831)]