87778390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{337}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 184126176

約数和(自身を除く): 96347786

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 337, 427, 610, 674, 854, 1685, 2135, 2359, 3370, 3721, 4270, 4718, 7442, 11795, 18605, 20557, 23590, 26047, 37210, 41114, 52094, 102785, 130235, 143899, 205570, 260470, 287798, 719495, 1253977, 1438990, 2507954, 6269885, 8777839, 12539770, 17555678, 43889195, 87778390]

約数ペア:

[(1, 87778390), (2, 43889195), (5, 17555678), (7, 12539770), (10, 8777839), (14, 6269885), (35, 2507954), (61, 1438990), (70, 1253977), (122, 719495), (305, 287798), (337, 260470), (427, 205570), (610, 143899), (674, 130235), (854, 102785), (1685, 52094), (2135, 41114), (2359, 37210), (3370, 26047), (3721, 23590), (4270, 20557), (4718, 18605), (7442, 11795)]