80972436

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{42979}}^1$

素因数の和:43143

約数の個数: 24

約数和(自身を含む): 190143520

約数和(自身を除く): 109171084

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 42979, 85958, 128937, 171916, 257874, 515748, 6747703, 13495406, 20243109, 26990812, 40486218, 80972436]

約数ペア:

[(1, 80972436), (2, 40486218), (3, 26990812), (4, 20243109), (6, 13495406), (12, 6747703), (157, 515748), (314, 257874), (471, 171916), (628, 128937), (942, 85958), (1884, 42979)]