28907398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 49593600

約数和(自身を除く): 20686202

約数列:

[1, 2, 13, 19, 26, 38, 163, 247, 326, 359, 494, 718, 2119, 3097, 4238, 4667, 6194, 6821, 9334, 13642, 40261, 58517, 80522, 88673, 117034, 177346, 760721, 1111823, 1521442, 2223646, 14453699, 28907398]

約数ペア:

[(1, 28907398), (2, 14453699), (13, 2223646), (19, 1521442), (26, 1111823), (38, 760721), (163, 177346), (247, 117034), (326, 88673), (359, 80522), (494, 58517), (718, 40261), (2119, 13642), (3097, 9334), (4238, 6821), (4667, 6194)]