421489648

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{333457}}^1$

素因数の和:333544

約数の個数: 20

約数和(自身を含む): 826975840

約数和(自身を除く): 405486192

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 333457, 666914, 1333828, 2667656, 5335312, 26343103, 52686206, 105372412, 210744824, 421489648]

約数ペア:

[(1, 421489648), (2, 210744824), (4, 105372412), (8, 52686206), (16, 26343103), (79, 5335312), (158, 2667656), (316, 1333828), (632, 666914), (1264, 333457)]