7858771215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{887}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 13382572032

約数和(自身を除く): 5523800817

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 421, 887, 915, 1263, 1403, 2105, 2661, 4209, 4435, 6315, 7015, 9683, 13305, 20401, 21045, 25681, 29049, 48415, 54107, 61203, 77043, 102005, 128405, 145245, 162321, 270535, 306015, 373427, 385215, 590663, 811605, 1120281, 1244461, 1771989, 1867135, 2953315, 3733383, 5601405, 6222305, 8588821, 8859945, 18666915, 22779047, 25766463, 42944105, 68337141, 113895235, 128832315, 341685705, 523918081, 1571754243, 2619590405, 7858771215]

約数ペア:

[(1, 7858771215), (3, 2619590405), (5, 1571754243), (15, 523918081), (23, 341685705), (61, 128832315), (69, 113895235), (115, 68337141), (183, 42944105), (305, 25766463), (345, 22779047), (421, 18666915), (887, 8859945), (915, 8588821), (1263, 6222305), (1403, 5601405), (2105, 3733383), (2661, 2953315), (4209, 1867135), (4435, 1771989), (6315, 1244461), (7015, 1120281), (9683, 811605), (13305, 590663), (20401, 385215), (21045, 373427), (25681, 306015), (29049, 270535), (48415, 162321), (54107, 145245), (61203, 128405), (77043, 102005)]