208244972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{65651}}^1$

素因数の和:65729

約数の個数: 24

約数和(自身を含む): 398901552

約数和(自身を除く): 190656580

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 65651, 131302, 262604, 853463, 1706926, 3413852, 4004711, 8009422, 16018844, 52061243, 104122486, 208244972]

約数ペア:

[(1, 208244972), (2, 104122486), (4, 52061243), (13, 16018844), (26, 8009422), (52, 4004711), (61, 3413852), (122, 1706926), (244, 853463), (793, 262604), (1586, 131302), (3172, 65651)]