28754236

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 60024832

約数和(自身を除く): 31270596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 211, 217, 314, 422, 434, 628, 844, 868, 1099, 1477, 2198, 2954, 4396, 4867, 5908, 6541, 9734, 13082, 19468, 26164, 33127, 34069, 45787, 66254, 68138, 91574, 132508, 136276, 183148, 231889, 463778, 927556, 1026937, 2053874, 4107748, 7188559, 14377118, 28754236]

約数ペア:

[(1, 28754236), (2, 14377118), (4, 7188559), (7, 4107748), (14, 2053874), (28, 1026937), (31, 927556), (62, 463778), (124, 231889), (157, 183148), (211, 136276), (217, 132508), (314, 91574), (422, 68138), (434, 66254), (628, 45787), (844, 34069), (868, 33127), (1099, 26164), (1477, 19468), (2198, 13082), (2954, 9734), (4396, 6541), (4867, 5908)]