313617638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 494376960

約数和(自身を除く): 180759322

約数列:

[1, 2, 31, 62, 139, 151, 241, 278, 302, 482, 4309, 4681, 7471, 8618, 9362, 14942, 20989, 33499, 36391, 41978, 66998, 72782, 650659, 1038469, 1128121, 1301318, 2076938, 2256242, 5058349, 10116698, 156808819, 313617638]

約数ペア:

[(1, 313617638), (2, 156808819), (31, 10116698), (62, 5058349), (139, 2256242), (151, 2076938), (241, 1301318), (278, 1128121), (302, 1038469), (482, 650659), (4309, 72782), (4681, 66998), (7471, 41978), (8618, 36391), (9362, 33499), (14942, 20989)]