78198988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3982

約数の個数: 48

約数和(自身を含む): 168505344

約数和(自身を除く): 90306356

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 1426, 2852, 3917, 4991, 7834, 9982, 15668, 19964, 27419, 54838, 90091, 109676, 121427, 180182, 242854, 360364, 485708, 630637, 849989, 1261274, 1699978, 2522548, 2792821, 3399956, 5585642, 11171284, 19549747, 39099494, 78198988]

約数ペア:

[(1, 78198988), (2, 39099494), (4, 19549747), (7, 11171284), (14, 5585642), (23, 3399956), (28, 2792821), (31, 2522548), (46, 1699978), (62, 1261274), (92, 849989), (124, 630637), (161, 485708), (217, 360364), (322, 242854), (434, 180182), (644, 121427), (713, 109676), (868, 90091), (1426, 54838), (2852, 27419), (3917, 19964), (4991, 15668), (7834, 9982)]