28401968

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2170

約数の個数: 60

約数和(自身を含む): 67810392

約数和(自身を除く): 39408424

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1666, 1904, 2131, 3332, 4262, 6664, 8524, 13328, 14917, 17048, 29834, 34096, 36227, 59668, 72454, 104419, 119336, 144908, 208838, 238672, 253589, 289816, 417676, 507178, 579632, 835352, 1014356, 1670704, 1775123, 2028712, 3550246, 4057424, 7100492, 14200984, 28401968]

約数ペア:

[(1, 28401968), (2, 14200984), (4, 7100492), (7, 4057424), (8, 3550246), (14, 2028712), (16, 1775123), (17, 1670704), (28, 1014356), (34, 835352), (49, 579632), (56, 507178), (68, 417676), (98, 289816), (112, 253589), (119, 238672), (136, 208838), (196, 144908), (238, 119336), (272, 104419), (392, 72454), (476, 59668), (784, 36227), (833, 34096), (952, 29834), (1666, 17048), (1904, 14917), (2131, 13328), (3332, 8524), (4262, 6664)]