686216968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{6791}}^1$

素因数の和:7557

約数の個数: 32

約数和(自身を含む): 1364376960

約数和(自身を除く): 678159992

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 743, 1486, 2972, 5944, 6791, 12631, 13582, 25262, 27164, 50524, 54328, 101048, 115447, 230894, 461788, 923576, 5045713, 10091426, 20182852, 40365704, 85777121, 171554242, 343108484, 686216968]

約数ペア:

[(1, 686216968), (2, 343108484), (4, 171554242), (8, 85777121), (17, 40365704), (34, 20182852), (68, 10091426), (136, 5045713), (743, 923576), (1486, 461788), (2972, 230894), (5944, 115447), (6791, 101048), (12631, 54328), (13582, 50524), (25262, 27164)]