81549804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12289}}^1$

素因数の和:12382

約数の個数: 48

約数和(自身を含む): 220236800

約数和(自身を除く): 138686996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3318, 6636, 12289, 24578, 36867, 49156, 73734, 86023, 147468, 172046, 258069, 344092, 516138, 970831, 1032276, 1941662, 2912493, 3883324, 5824986, 6795817, 11649972, 13591634, 20387451, 27183268, 40774902, 81549804]

約数ペア:

[(1, 81549804), (2, 40774902), (3, 27183268), (4, 20387451), (6, 13591634), (7, 11649972), (12, 6795817), (14, 5824986), (21, 3883324), (28, 2912493), (42, 1941662), (79, 1032276), (84, 970831), (158, 516138), (237, 344092), (316, 258069), (474, 172046), (553, 147468), (948, 86023), (1106, 73734), (1659, 49156), (2212, 36867), (3318, 24578), (6636, 12289)]