90991978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1693}}^1$

素因数の和:2062

約数の個数: 32

約数和(自身を含む): 170755200

約数和(自身を除く): 79763222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 349, 698, 1693, 2443, 3386, 3839, 4886, 7678, 11851, 18623, 23702, 26873, 37246, 53746, 130361, 260722, 590857, 1181714, 4135999, 6499427, 8271998, 12998854, 45495989, 90991978]

約数ペア:

[(1, 90991978), (2, 45495989), (7, 12998854), (11, 8271998), (14, 6499427), (22, 4135999), (77, 1181714), (154, 590857), (349, 260722), (698, 130361), (1693, 53746), (2443, 37246), (3386, 26873), (3839, 23702), (4886, 18623), (7678, 11851)]