321881678209

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{16087}}^1$

素因数の和:16526

約数の個数: 48

約数和(自身を含む): 408563640576

約数和(自身を除く): 86681962367

約数列:

[1, 7, 13, 49, 91, 101, 311, 637, 707, 1313, 2177, 4043, 4949, 9191, 15239, 16087, 28301, 31411, 64337, 112609, 198107, 209131, 219877, 408343, 788263, 1463917, 1539139, 1624787, 2858401, 5003057, 10247419, 11373509, 20008807, 21122231, 35021399, 65039741, 79614563, 147855617, 245149793, 455278187, 505308757, 1034989319, 3186947309, 3537161299, 6569013841, 24760129093, 45983096887, 321881678209]

約数ペア:

[(1, 321881678209), (7, 45983096887), (13, 24760129093), (49, 6569013841), (91, 3537161299), (101, 3186947309), (311, 1034989319), (637, 505308757), (707, 455278187), (1313, 245149793), (2177, 147855617), (4043, 79614563), (4949, 65039741), (9191, 35021399), (15239, 21122231), (16087, 20008807), (28301, 11373509), (31411, 10247419), (64337, 5003057), (112609, 2858401), (198107, 1624787), (209131, 1539139), (219877, 1463917), (408343, 788263)]