28916028

素因数分解:

$2^2\times 3^5\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48135492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 243, 284, 324, 419, 426, 486, 639, 838, 852, 972, 1257, 1278, 1676, 1917, 2514, 2556, 3771, 3834, 5028, 5751, 7542, 7668, 11313, 11502, 15084, 17253, 22626, 23004, 29749, 33939, 34506, 45252, 59498, 67878, 69012, 89247, 101817, 118996, 135756, 178494, 203634, 267741, 356988, 407268, 535482, 803223, 1070964, 1606446, 2409669, 3212892, 4819338, 7229007, 9638676, 14458014, 28916028]

約数ペア:

[(1, 28916028), (2, 14458014), (3, 9638676), (4, 7229007), (6, 4819338), (9, 3212892), (12, 2409669), (18, 1606446), (27, 1070964), (36, 803223), (54, 535482), (71, 407268), (81, 356988), (108, 267741), (142, 203634), (162, 178494), (213, 135756), (243, 118996), (284, 101817), (324, 89247), (419, 69012), (426, 67878), (486, 59498), (639, 45252), (838, 34506), (852, 33939), (972, 29749), (1257, 23004), (1278, 22626), (1676, 17253), (1917, 15084), (2514, 11502), (2556, 11313), (3771, 7668), (3834, 7542), (5028, 5751)]