256367085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4454

約数の個数: 48

約数和(自身を含む): 463584384

約数和(自身を除く): 207217299

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 507, 845, 897, 1495, 2535, 3887, 4397, 4485, 11661, 13191, 19435, 21985, 57161, 58305, 65955, 101131, 171483, 285805, 303393, 505655, 743093, 857415, 1314703, 1516965, 2229279, 3715465, 3944109, 6573515, 11146395, 17091139, 19720545, 51273417, 85455695, 256367085]

約数ペア:

[(1, 256367085), (3, 85455695), (5, 51273417), (13, 19720545), (15, 17091139), (23, 11146395), (39, 6573515), (65, 3944109), (69, 3715465), (115, 2229279), (169, 1516965), (195, 1314703), (299, 857415), (345, 743093), (507, 505655), (845, 303393), (897, 285805), (1495, 171483), (2535, 101131), (3887, 65955), (4397, 58305), (4485, 57161), (11661, 21985), (13191, 19435)]