13128872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 25643520

約数和(自身を除く): 12514648

約数列:

[1, 2, 4, 8, 31, 62, 124, 167, 248, 317, 334, 634, 668, 1268, 1336, 2536, 5177, 9827, 10354, 19654, 20708, 39308, 41416, 52939, 78616, 105878, 211756, 423512, 1641109, 3282218, 6564436, 13128872]

約数ペア:

[(1, 13128872), (2, 6564436), (4, 3282218), (8, 1641109), (31, 423512), (62, 211756), (124, 105878), (167, 78616), (248, 52939), (317, 41416), (334, 39308), (634, 20708), (668, 19654), (1268, 10354), (1336, 9827), (2536, 5177)]