197567447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 258591744

約数和(自身を除く): 61024297

約数列:

[1, 7, 11, 23, 77, 161, 253, 281, 397, 1771, 1967, 2779, 3091, 4367, 6463, 9131, 21637, 30569, 45241, 63917, 71093, 100441, 111557, 497651, 703087, 780899, 1227127, 2565811, 8589889, 17960677, 28223921, 197567447]

約数ペア:

[(1, 197567447), (7, 28223921), (11, 17960677), (23, 8589889), (77, 2565811), (161, 1227127), (253, 780899), (281, 703087), (397, 497651), (1771, 111557), (1967, 100441), (2779, 71093), (3091, 63917), (4367, 45241), (6463, 30569), (9131, 21637)]