28290042

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 69713280

約数和(自身を除く): 41423238

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 121, 186, 198, 242, 279, 341, 363, 419, 558, 682, 726, 838, 1023, 1089, 1257, 2046, 2178, 2514, 3069, 3751, 3771, 4609, 6138, 7502, 7542, 9218, 11253, 12989, 13827, 22506, 25978, 27654, 33759, 38967, 41481, 50699, 67518, 77934, 82962, 101398, 116901, 142879, 152097, 233802, 285758, 304194, 428637, 456291, 857274, 912582, 1285911, 1571669, 2571822, 3143338, 4715007, 9430014, 14145021, 28290042]

約数ペア:

[(1, 28290042), (2, 14145021), (3, 9430014), (6, 4715007), (9, 3143338), (11, 2571822), (18, 1571669), (22, 1285911), (31, 912582), (33, 857274), (62, 456291), (66, 428637), (93, 304194), (99, 285758), (121, 233802), (186, 152097), (198, 142879), (242, 116901), (279, 101398), (341, 82962), (363, 77934), (419, 67518), (558, 50699), (682, 41481), (726, 38967), (838, 33759), (1023, 27654), (1089, 25978), (1257, 22506), (2046, 13827), (2178, 12989), (2514, 11253), (3069, 9218), (3751, 7542), (3771, 7502), (4609, 6138)]