13281856

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 56

約数和(自身を含む): 31455360

約数和(自身を除く): 18173504

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1289, 1472, 2576, 2578, 5152, 5156, 9023, 10304, 10312, 18046, 20624, 29647, 36092, 41248, 59294, 72184, 82496, 118588, 144368, 207529, 237176, 288736, 415058, 474352, 577472, 830116, 948704, 1660232, 1897408, 3320464, 6640928, 13281856]

約数ペア:

[(1, 13281856), (2, 6640928), (4, 3320464), (7, 1897408), (8, 1660232), (14, 948704), (16, 830116), (23, 577472), (28, 474352), (32, 415058), (46, 288736), (56, 237176), (64, 207529), (92, 144368), (112, 118588), (161, 82496), (184, 72184), (224, 59294), (322, 41248), (368, 36092), (448, 29647), (644, 20624), (736, 18046), (1288, 10312), (1289, 10304), (1472, 9023), (2576, 5156), (2578, 5152)]