128917236

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{31321}}^1$

素因数の和:31349

約数の個数: 48

約数和(自身を含む): 350806400

約数和(自身を除く): 221889164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 31321, 62642, 93963, 125284, 187926, 219247, 375852, 438494, 657741, 876988, 1315482, 1534729, 2630964, 3069458, 4604187, 6138916, 9208374, 10743103, 18416748, 21486206, 32229309, 42972412, 64458618, 128917236]

約数ペア:

[(1, 128917236), (2, 64458618), (3, 42972412), (4, 32229309), (6, 21486206), (7, 18416748), (12, 10743103), (14, 9208374), (21, 6138916), (28, 4604187), (42, 3069458), (49, 2630964), (84, 1534729), (98, 1315482), (147, 876988), (196, 657741), (294, 438494), (343, 375852), (588, 219247), (686, 187926), (1029, 125284), (1372, 93963), (2058, 62642), (4116, 31321)]