399889742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{3301}}^1$

素因数の和:3836

約数の個数: 32

約数和(自身を含む): 727496640

約数和(自身を除く): 327606898

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 509, 1018, 3301, 3563, 6602, 7126, 8653, 17306, 23107, 46214, 56117, 60571, 112234, 121142, 392819, 785638, 1680209, 3360418, 11761463, 23522926, 28563553, 57127106, 199944871, 399889742]

約数ペア:

[(1, 399889742), (2, 199944871), (7, 57127106), (14, 28563553), (17, 23522926), (34, 11761463), (119, 3360418), (238, 1680209), (509, 785638), (1018, 392819), (3301, 121142), (3563, 112234), (6602, 60571), (7126, 56117), (8653, 46214), (17306, 23107)]