2783995978

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 4312414080

約数和(自身を除く): 1528418102

約数列:

[1, 2, 53, 106, 107, 214, 389, 631, 778, 1262, 5671, 11342, 20617, 33443, 41234, 41623, 66886, 67517, 83246, 135034, 245459, 490918, 2206019, 3578401, 4412038, 7156802, 13009327, 26018654, 26264113, 52528226, 1391997989, 2783995978]

約数ペア:

[(1, 2783995978), (2, 1391997989), (53, 52528226), (106, 26264113), (107, 26018654), (214, 13009327), (389, 7156802), (631, 4412038), (778, 3578401), (1262, 2206019), (5671, 490918), (11342, 245459), (20617, 135034), (33443, 83246), (41234, 67517), (41623, 66886)]