258236464

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{204301}}^1$

素因数の和:204388

約数の個数: 20

約数和(自身を含む): 506668960

約数和(自身を除く): 248432496

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 204301, 408602, 817204, 1634408, 3268816, 16139779, 32279558, 64559116, 129118232, 258236464]

約数ペア:

[(1, 258236464), (2, 129118232), (4, 64559116), (8, 32279558), (16, 16139779), (79, 3268816), (158, 1634408), (316, 817204), (632, 408602), (1264, 204301)]