12821443295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 17141760000

約数和(自身を除く): 4320316705

約数列:

[1, 5, 19, 31, 61, 95, 149, 155, 305, 479, 589, 745, 1159, 1891, 2395, 2831, 2945, 4619, 5795, 9089, 9101, 9455, 14155, 14849, 23095, 29219, 35929, 45445, 45505, 71371, 74245, 87761, 146095, 172691, 179645, 281759, 282131, 356855, 438805, 555161, 863455, 905789, 1356049, 1408795, 1410655, 2212501, 2775805, 4353631, 4528945, 5353421, 6780245, 11062505, 17209991, 21768155, 26767105, 42037519, 82718989, 86049955, 134962561, 210187595, 413594945, 674812805, 2564288659, 12821443295]

約数ペア:

[(1, 12821443295), (5, 2564288659), (19, 674812805), (31, 413594945), (61, 210187595), (95, 134962561), (149, 86049955), (155, 82718989), (305, 42037519), (479, 26767105), (589, 21768155), (745, 17209991), (1159, 11062505), (1891, 6780245), (2395, 5353421), (2831, 4528945), (2945, 4353631), (4619, 2775805), (5795, 2212501), (9089, 1410655), (9101, 1408795), (9455, 1356049), (14155, 905789), (14849, 863455), (23095, 555161), (29219, 438805), (35929, 356855), (45445, 282131), (45505, 281759), (71371, 179645), (74245, 172691), (87761, 146095)]