28884906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 65111904

約数和(自身を除く): 36226998

約数列:

[1, 2, 3, 6, 9, 18, 43, 67, 86, 129, 134, 201, 258, 387, 402, 557, 603, 774, 1114, 1206, 1671, 2881, 3342, 5013, 5762, 8643, 10026, 17286, 23951, 25929, 37319, 47902, 51858, 71853, 74638, 111957, 143706, 215559, 223914, 335871, 431118, 671742, 1604717, 3209434, 4814151, 9628302, 14442453, 28884906]

約数ペア:

[(1, 28884906), (2, 14442453), (3, 9628302), (6, 4814151), (9, 3209434), (18, 1604717), (43, 671742), (67, 431118), (86, 335871), (129, 223914), (134, 215559), (201, 143706), (258, 111957), (387, 74638), (402, 71853), (557, 51858), (603, 47902), (774, 37319), (1114, 25929), (1206, 23951), (1671, 17286), (2881, 10026), (3342, 8643), (5013, 5762)]