189678412

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{87977}}^1$

素因数の和:88006

約数の個数: 36

約数和(自身を含む): 421238664

約数和(自身を除く): 231560252

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 87977, 175954, 351908, 615839, 967747, 1231678, 1935494, 2463356, 3870988, 4310873, 6774229, 8621746, 13548458, 17243492, 27096916, 47419603, 94839206, 189678412]

約数ペア:

[(1, 189678412), (2, 94839206), (4, 47419603), (7, 27096916), (11, 17243492), (14, 13548458), (22, 8621746), (28, 6774229), (44, 4310873), (49, 3870988), (77, 2463356), (98, 1935494), (154, 1231678), (196, 967747), (308, 615839), (539, 351908), (1078, 175954), (2156, 87977)]