128574992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 308730240

約数和(自身を除く): 180155248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 233, 364, 379, 466, 728, 758, 932, 1456, 1516, 1631, 1864, 2653, 3029, 3032, 3262, 3728, 4927, 5306, 6058, 6064, 6524, 9854, 10612, 12116, 13048, 19708, 21203, 21224, 24232, 26096, 34489, 39416, 42406, 42448, 48464, 68978, 78832, 84812, 88307, 137956, 169624, 176614, 275912, 339248, 353228, 551824, 618149, 706456, 1147991, 1236298, 1412912, 2295982, 2472596, 4591964, 4945192, 8035937, 9183928, 9890384, 16071874, 18367856, 32143748, 64287496, 128574992]

約数ペア:

[(1, 128574992), (2, 64287496), (4, 32143748), (7, 18367856), (8, 16071874), (13, 9890384), (14, 9183928), (16, 8035937), (26, 4945192), (28, 4591964), (52, 2472596), (56, 2295982), (91, 1412912), (104, 1236298), (112, 1147991), (182, 706456), (208, 618149), (233, 551824), (364, 353228), (379, 339248), (466, 275912), (728, 176614), (758, 169624), (932, 137956), (1456, 88307), (1516, 84812), (1631, 78832), (1864, 68978), (2653, 48464), (3029, 42448), (3032, 42406), (3262, 39416), (3728, 34489), (4927, 26096), (5306, 24232), (6058, 21224), (6064, 21203), (6524, 19708), (9854, 13048), (10612, 12116)]