28229742

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 37434258

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 71, 74, 111, 142, 199, 213, 222, 333, 398, 426, 597, 639, 666, 999, 1194, 1278, 1791, 1917, 1998, 2627, 3582, 3834, 5254, 5373, 7363, 7881, 10746, 14129, 14726, 15762, 22089, 23643, 28258, 42387, 44178, 47286, 66267, 70929, 84774, 127161, 132534, 141858, 198801, 254322, 381483, 397602, 522773, 762966, 1045546, 1568319, 3136638, 4704957, 9409914, 14114871, 28229742]

約数ペア:

[(1, 28229742), (2, 14114871), (3, 9409914), (6, 4704957), (9, 3136638), (18, 1568319), (27, 1045546), (37, 762966), (54, 522773), (71, 397602), (74, 381483), (111, 254322), (142, 198801), (199, 141858), (213, 132534), (222, 127161), (333, 84774), (398, 70929), (426, 66267), (597, 47286), (639, 44178), (666, 42387), (999, 28258), (1194, 23643), (1278, 22089), (1791, 15762), (1917, 14726), (1998, 14129), (2627, 10746), (3582, 7881), (3834, 7363), (5254, 5373)]