28286568

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3142

約数の個数: 48

約数和(自身を含む): 77220000

約数和(自身を除く): 48933432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 2999, 3144, 4716, 5998, 8997, 9432, 11996, 17994, 23992, 26991, 35988, 53982, 71976, 107964, 215928, 392869, 785738, 1178607, 1571476, 2357214, 3142952, 3535821, 4714428, 7071642, 9428856, 14143284, 28286568]

約数ペア:

[(1, 28286568), (2, 14143284), (3, 9428856), (4, 7071642), (6, 4714428), (8, 3535821), (9, 3142952), (12, 2357214), (18, 1571476), (24, 1178607), (36, 785738), (72, 392869), (131, 215928), (262, 107964), (393, 71976), (524, 53982), (786, 35988), (1048, 26991), (1179, 23992), (1572, 17994), (2358, 11996), (2999, 9432), (3144, 8997), (4716, 5998)]